cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A206531 a(n) = (2*(n+1)*(2*n+1)-1)*a(n-1) + 2*n*(2*n-1)*a(n-2), a(0)=0, a(1)=2.

Table of values

n a(n)
0 0
1 2
2 58
3 3250
4 292498
5 38609738
6 7026972314
7 1686473355362
8 516060846740770
9 196103121761492602
10 90599642253809582122
11 50011002524102889331346
12 32507151640666878065374898
13 24575406640344159817423422890

List of values

[0, 2, 58, 3250, 292498, 38609738, 7026972314, 1686473355362, 516060846740770, 196103121761492602, 90599642253809582122, 50011002524102889331346, 32507151640666878065374898, 24575406640344159817423422890]