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.

A074702 a(n) = ((n+1)^2*(n-1)*a(n-1)+(-1)^(n+1))/n.

Table of values

n a(n)
1 1
2 4
3 43
4 806
5 23213
6 947864
7 51997111
8 3685295242
9 327581799289
10 35673657942572
11 4670006130663971
12 723461783075360174
13 130890931830249779173
14 27346855400248614577216
15 6534075316966068976316143
16 1770326031190494313270654994
17 539845302687736618823239734641

List of values

[1, 4, 43, 806, 23213, 947864, 51997111, 3685295242, 327581799289, 35673657942572, 4670006130663971, 723461783075360174, 130890931830249779173, 27346855400248614577216, 6534075316966068976316143, 1770326031190494313270654994, 539845302687736618823239734641]