Sequence Database

A database with 899757 machine generated integer and decimal sequences.

Found 39 matches.

Sequence rgmqt44o3fqsk

1.6449340668, 1.2020569032, 1.0823232337, 1.0369277551, 1.017343062, 1.0083492774, 1.0040773562, 1.0020083928, 1.0009945751, 1.0004941886, 1.0002460866, 1.0001227133, 1.0000612481, 1.0000305882, 1.0000152823, 1.0000076372, 1.0000038173, 1.0000019082, 1.000000954, 1, 1, 1, 1, 1, 1, more...

decimal, strictly-monotonic, +

a(n)=ζ(n)
ζ(n)=Riemann Zeta
n≥0
2 operations
Prime

Sequence u4kucg1vaemob

-1.6449340668, -1.2020569032, -1.0823232337, -1.0369277551, -1.017343062, -1.0083492774, -1.0040773562, -1.0020083928, -1.0009945751, -1.0004941886, -1.0002460866, -1.0001227133, -1.0000612481, -1.0000305882, -1.0000152823, -1.0000076372, -1.0000038173, -1.0000019082, -1.000000954, -1, -1, -1, -1, -1, -1, more...

decimal, strictly-monotonic, -

a(n)=-ζ(n)
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence yij1auqfaavzm

1.6449340668, 1.2020569032, 1.017343062, 1.0004941886, 1.0000038173, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

decimal, monotonic, +

a(n)=ζ(n²)
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence z5dxchc1jkzqi

2.7058080843, 1.4449407984, 1.1714235822, 1.0752191694, 1.0349869058, 1.0167682652, 1.0081713372, 1.0040208193, 1.0019901394, 1.0009886214, 1.0004922337, 1.0002454418, 1.0001225, 1.0000611774, 1.0000305648, 1.0000152745, 1.0000076346, 1.0000038164, 1.0000019079, 1.0000009539, 1, 1, 1, 1, 1, more...

decimal, strictly-monotonic, +

a(n)=ζ(n)²
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence mk5o303yvfsfe

1.6449340668, 1.2020569032, 1.2020569032, 1.0823232337, 1.2020569032, 1.0369277551, 1.0823232337, 1.0369277551, 1.2020569032, 1.017343062, 1.0369277551, 1.0083492774, 1.0823232337, 1.0083492774, 1.0369277551, 1.017343062, 1.2020569032, 1.0083492774, 1.017343062, 1.0020083928, 1.0369277551, 1.0009945751, 1.0083492774, 1.0020083928, 1.0823232337, more...

decimal, non-monotonic, +

a(n)=ζ(stern(n))
stern(n)=Stern-Brocot sequence
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence rakl52jurkopj

-0.4428771637, -0.1197336694, -0.0453954786, -0.0195846932, -0.0089937846, -0.0042719212, -0.0020689634, -0.0010138177, -0.0005003865, -0.0002481021, -0.0001233732, -0.0000614652, -0.0000306599, -0.000015306, -0.0000076451, -0.0000038199, -0.0000019091, -0.0000009543, 0, 0, 0, 0, 0, 0, 0, more...

decimal, strictly-monotonic, -

a(n)=Δ(ζ(n))
ζ(n)=Riemann Zeta
Δ(a)=differences of a
n≥0
3 operations
Prime

Sequence 2sum14xshwyil

1.6449340668, 1.2020569032, 1.0369277551, 1.0040773562, 1.0002460866, 1.0000076372, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

decimal, monotonic, +

a(n)=ζ(∑(n))
∑(a)=partial sums of a
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence nk1ch0u233jic

1.6449340668, 1.9773043503, 2.1400824384, 2.2191108787, 2.2575970562, 2.2764463603, 2.285728243, 2.2903188832, 2.2925967774, 2.2937297526, 2.2942942086, 2.2945757491, 2.2947162876, 2.2947864789, 2.2948215485, 2.2948390745, 2.2948478345, 2.2948522136, 2.2948544028, 2.2948554973, 2.2948560445, 2.2948563181, 2.2948564549, 2.2948565233, 2.2948565575, more...

decimal, strictly-monotonic, +

a(n)=∏(ζ(n))
ζ(n)=Riemann Zeta
∏(a)=partial products of a
n≥0
3 operations
Prime

Sequence f4wbf5bfif1wd

1.6449340668, 2.84699097, 3.9293142037, 4.9662419589, 5.9835850208, 6.9919342982, 7.9960116544, 8.9980200473, 9.9990146224, 10.999508811, 11.9997548975, 12.9998776109, 13.999938859, 14.9999694473, 15.9999847295, 16.9999923667, 17.999996184, 18.9999980922, 19.9999990462, 21, 22, 23, 24, 25, 26, more...

decimal, strictly-monotonic, +

a(n)=∑(ζ(n))
ζ(n)=Riemann Zeta
∑(a)=partial sums of a
n≥0
3 operations
Prime

Sequence t2tyapahcanrd

0, 1.6449340668, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, more...

decimal, non-monotonic, +

a(n)=ζ(ceil(a(n-1)))
a(0)=0
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence arh3ww4ofuuhl

0, 1.6449340668, 1.0823232337, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, more...

decimal, non-monotonic, +

a(n)=ζ(round(a(n-1)))
a(0)=0
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence 4fcmylxhrnhao

0, 1.6449340668, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, more...

decimal, non-monotonic, +

a(n)=ζ(floor(a(n-1)))
a(0)=0
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence edno0g2z5opok

0.4977003025, 0.1840341754, 0.0791098731, 0.0362622596, 0.0171943876, 0.008314615, 0.0040690663, 0.0020063787, 0.0009940809, 0.0004940665, 0.0002460563, 0.0001227058, 0.0000612463, 0.0000305878, 0.0000152821, 0.0000076372, 0.0000038173, 0.0000019082, 0.000000954, 0, 0, 0, 0, 0, 0, more...

decimal, strictly-monotonic, +

a(n)=log(ζ(n))
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence bfdatbsm2g1qi

1, 1.2020569032, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, more...

decimal, non-monotonic, +

a(n)=ζ(ceil(a(n-1)))
a(0)=1
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence bsip1ivwwby4g

1, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, more...

decimal, monotonic, +

a(n)=ζ(floor(a(n-1)))
a(0)=1
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence r22g45gpnoswc

1.2825498302, 1.0963835566, 1.0403476504, 1.0182964967, 1.0086342558, 1.0041659611, 1.0020366042, 1.0010036927, 1.000497164, 1.0002470638, 1.0001230357, 1.0000613548, 1.0000306236, 1.000015294, 1.0000076411, 1.0000038186, 1.0000019086, 1.0000009541, 1, 1, 1, 1, 1, 1, 1, more...

decimal, strictly-monotonic, +

a(n)=sqrt(ζ(n))
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence wxvrhyqm2qvxm

2, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, more...

decimal, monotonic, +

a(n)=ζ(ceil(a(n-1)))
a(0)=2
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence i1eidaxpl4oog

2, 1.0823232337, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, more...

decimal, non-monotonic, +

a(n)=ζ(floor(a(n-1)))
a(0)=2
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence wyprg1qsjjpah

3, 1.0369277551, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, more...

decimal, non-monotonic, +

a(n)=ζ(ceil(a(n-1)))
a(0)=3
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence 1z3qhodpmifld

3, 1.0369277551, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, more...

decimal, non-monotonic, +

a(n)=ζ(floor(a(n-1)))
a(0)=3
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence 5i3m4rgbvlfff

4, 1.017343062, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, more...

decimal, non-monotonic, +

a(n)=ζ(ceil(a(n-1)))
a(0)=4
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence dib53ozjgse4i

4, 1.017343062, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, more...

decimal, non-monotonic, +

a(n)=ζ(floor(a(n-1)))
a(0)=4
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence z0wl1eir0nx5

5, 1.0083492774, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, 1.0823232337, more...

decimal, non-monotonic, +

a(n)=ζ(ceil(a(n-1)))
a(0)=5
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence kydalsb5hk5vg

5, 1.0083492774, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, more...

decimal, non-monotonic, +

a(n)=ζ(floor(a(n-1)))
a(0)=5
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence rx11n0pneyiof

5.1806683179, 3.32695311, 2.9515286829, 2.8205383053, 2.7658363371, 2.741072528, 2.729387858, 2.7237466921, 2.7209867088, 2.7196255043, 2.7189508434, 2.7186154184, 2.7184483233, 2.7183649772, 2.7183233703, 2.7183025886, 2.718292205, 2.7182870155, 2.7182844216, 2.7182831249, 2.7182824766, 2.7182821525, 2.7182819905, 2.7182819095, 2.718281869, more...

decimal, strictly-monotonic, +

a(n)=exp(ζ(n))
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence 0qsgvcq5webbi

-13.4636851994, 2.5879002655, 1.8817209493, 1.6916881673, 1.6184721971, 1.5863858136, 1.5714641226, 1.5643091081, 1.560819947, 1.5591018811, 1.558251022, 1.5578281619, 1.5576175513, 1.5575125102, 1.5574600756, 1.5574338863, 1.5574208009, 1.5574142613, 1.5574109925, 1.5574093584, 1.5574085415, 1.557408133, 1.5574079288, 1.5574078267, 1.5574077757, more...

decimal, non-monotonic, +-

a(n)=tan(ζ(n))
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence 3rdfkzs5o0fkd

-0.0740698435, 0.3604398751, 0.4692780999, 0.508867381, 0.5256280995, 0.5332578806, 0.5368668472, 0.538611213, 0.5394651327, 0.5398863945, 0.5400952148, 0.5401990421, 0.5402507663, 0.5402765665, 0.5402894462, 0.5402958794, 0.5402990937, 0.5403007002, 0.5403015031, 0.5403019045, 0.5403021052, 0.5403022055, 0.5403022557, 0.5403022808, 0.5403022933, more...

decimal, strictly-monotonic, +-

a(n)=cos(ζ(n))
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence tine1oo1fssbi

0.9972530563, 0.9327824486, 0.8830504317, 0.8608449271, 0.850714465, 0.8459527367, 0.843666989, 0.8425544263, 0.8420079398, 0.8417378933, 0.8416039205, 0.8415372808, 0.8415040757, 0.8414875113, 0.8414792417, 0.8414751112, 0.8414730473, 0.8414720158, 0.8414715002, 0.8414712425, 0.8414711136, 0.8414710492, 0.841471017, 0.8414710009, 0.8414709929, more...

decimal, strictly-monotonic, +

a(n)=sin(ζ(n))
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence 20egv2oehh4vf

1.2020569032, 1.2020569032, 1.0823232337, 1.0369277551, 1.0083492774, 1.0020083928, 1.0001227133, 1.0000076372, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

decimal, monotonic, +

a(n)=ζ(P(n))
P(n)=Partition numbers
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence vhbszuvju2cup

1.2020569032, 1.2020569032, 1.2020569032, 1.2020569032, 1.0823232337, 1.2020569032, 1.2020569032, 1.0369277551, 1.0369277551, 1.2020569032, 1.2020569032, 1.017343062, 1.0040773562, 1.017343062, 1.2020569032, 1.2020569032, 1.0083492774, 1.0002460866, 1.0002460866, 1.0083492774, 1.2020569032, 1.2020569032, 1.0040773562, 1.0000076372, 1, more...

decimal, non-monotonic, +

a(n)=ζ(pt(n))
pt(n)=Pascals triangle by rows
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence aspcs20asjt0h

1.0823232337, 1.0369277551, 1.0083492774, 1.0020083928, 1.0001227133, 1.0000305882, 1.0000019082, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

decimal, monotonic, +

a(n)=ζ(p(n))
p(n)=nth prime
ζ(n)=Riemann Zeta
n≥1
3 operations
Prime

Sequence d3zmazcbaw1zd

1.2020569032, 1.017343062, 1.0040773562, 1.0009945751, 1.0004941886, 1.0002460866, 1.0000612481, 1.0000152823, 1.0000076372, 1.0000038173, 1.000000954, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, more...

decimal, strictly-monotonic, +

a(n)=ζ(composite(n))
composite(n)=nth composite number
ζ(n)=Riemann Zeta
n≥1
3 operations
Prime

Sequence zvqzuyoe0uzrd

1.2020569032, 1.0369277551, 1.017343062, 1.0020083928, 1.0040773562, 1.0000612481, 1.0009945751, 1.0000076372, 1.0000305882, 1.000000954, 1.0000612481, 1, 1.0000152823, 1, 1, 1, 1.000000954, 1, 1, 1, 1, 1, 1, 1, 1, more...

decimal, non-monotonic, +

a(n)=ζ(σ(n))
σ(n)=divisor sum of n
ζ(n)=Riemann Zeta
n≥1
3 operations
Prime

Sequence k2qenslo5rwkj

1.2020569032, 1.0823232337, 1.0369277551, 1.0823232337, 1.0083492774, 1.0369277551, 1.0020083928, 1.0823232337, 1.0369277551, 1.0083492774, 1.0001227133, 1.0369277551, 1.0000305882, 1.0020083928, 1.0083492774, 1.0823232337, 1.0000019082, 1.0369277551, 1, 1.0083492774, 1.0020083928, 1.0001227133, 1, 1.0369277551, 1.0083492774, more...

decimal, non-monotonic, +

a(n)=ζ(gpf(n))
gpf(n)=greatest prime factor of n
ζ(n)=Riemann Zeta
n≥1
3 operations
Prime

Sequence dtgqg0afxphb

1.2020569032, 1.0823232337, 1.0369277551, 1.0823232337, 1.0083492774, 1.0823232337, 1.0020083928, 1.0823232337, 1.0369277551, 1.0823232337, 1.0001227133, 1.0823232337, 1.0000305882, 1.0823232337, 1.0369277551, 1.0823232337, 1.0000019082, 1.0823232337, 1, 1.0823232337, 1.0369277551, 1.0823232337, 1, 1.0823232337, 1.0083492774, more...

decimal, non-monotonic, +

a(n)=ζ(lpf(n))
lpf(n)=least prime factor of n
ζ(n)=Riemann Zeta
n≥1
3 operations
Prime

Sequence f44trokbrjnni

1.2020569032, 1.0823232337, 1.0823232337, 1.0369277551, 1.0823232337, 1.017343062, 1.0823232337, 1.017343062, 1.0369277551, 1.017343062, 1.0823232337, 1.0040773562, 1.0823232337, 1.017343062, 1.017343062, 1.0083492774, 1.0823232337, 1.0040773562, 1.0823232337, 1.0040773562, 1.017343062, 1.017343062, 1.0823232337, 1.0009945751, 1.0369277551, more...

decimal, non-monotonic, +

a(n)=ζ(τ(n))
τ(n)=number of divisors of n
ζ(n)=Riemann Zeta
n≥1
3 operations
Prime

Sequence cxiaeytvbmp4k

1.2020569032, 1.2020569032, 1.0823232337, 1.0823232337, 1.017343062, 1.0823232337, 1.0040773562, 1.017343062, 1.0040773562, 1.017343062, 1.0002460866, 1.017343062, 1.0000612481, 1.0040773562, 1.0009945751, 1.0009945751, 1.0000038173, 1.0040773562, 1.000000954, 1.0009945751, 1.0000612481, 1.0002460866, 1, 1.0009945751, 1, more...

decimal, non-monotonic, +

a(n)=ζ(ϕ(n))
ϕ(n)=number of relative primes (Euler's totient)
ζ(n)=Riemann Zeta
n≥1
3 operations
Prime

Sequence t2jljvmh5lldh

1.2020569032, 1.2020569032, 1.2020569032, 1.0823232337, 1.2020569032, 1.2020569032, 1.2020569032, 1.0369277551, 1.0823232337, 1.2020569032, 1.2020569032, 1.0823232337, 1.2020569032, 1.2020569032, 1.2020569032, 1.0083492774, 1.2020569032, 1.0823232337, 1.2020569032, 1.0823232337, 1.2020569032, 1.2020569032, 1.2020569032, 1.0369277551, 1.0823232337, more...

decimal, non-monotonic, +

a(n)=ζ(agc(n))
agc(n)=number of factorizations into prime powers (abelian group count)
ζ(n)=Riemann Zeta
n≥0
3 operations
Prime

Sequence f0qj2gpjts4kd

1.6449340668, 1.2020569032, 1.2020569032, 1.0823232337, 1.2020569032, 1.0823232337, 1.2020569032, 1.0369277551, 1.0823232337, 1.0823232337, 1.2020569032, 1.0369277551, 1.2020569032, 1.0823232337, 1.0823232337, 1.017343062, 1.2020569032, 1.0369277551, 1.2020569032, 1.0369277551, 1.0823232337, 1.0823232337, 1.2020569032, 1.017343062, 1.0823232337, more...

decimal, non-monotonic, +

a(n)=ζ(Ω(n))
Ω(n)=max factorization terms
ζ(n)=Riemann Zeta
n≥1
3 operations
Prime