Sequence Database

A database with 2076264 machine generated integer and decimal sequences.

Found 1 matches.

Sequence 3qou2jqkffuvh

1, 7, 27, 76, 175, 351, 637, 1072, 1701, 2575, 3751, 5292, 7267, 9751, 12825, 16576, 21097, 26487, 32851, 40300, 48951, 58927, 70357, 83376, 98125, 114751, 133407, 154252, 177451, 203175, 231601, 262912, 297297, 334951, 376075, 420876, 469567, 522367, 579501, 641200, 707701, 779247, 856087, 938476, 1026675, 1120951, 1221577, 1328832, 1443001, 1564375, more...

integer, strictly-monotonic, +, A039623

a(n)=(3+n²)/(2/n)²
n≥1
9 operations
Power
a(n)=∑[2+3*n²+a(n-1)]
a(0)=1
∑(a)=partial sums of a
n≥0
9 operations
Recursive
a(n)=n*∑[n]+C(n, 2)²
∑(a)=partial sums of a
C(n,k)=binomial coefficient
n≥1
9 operations
Combinatoric
a(n)=∑[(1+2*n)*(1+∑[n])]
∑(a)=partial sums of a
n≥0
11 operations
Arithmetic