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.

A287699 a(n) = (n!)^3 * [x^n] hypergeom([], [1, 1], x)^4.

Table of values

n a(n)
0 1
1 4
2 52
3 1192
4 36628
5 1297504
6 50419096
7 2099649808
8 92239977748
9 4225417349872
10 200149545055552
11 9743739840316288
12 485293084757188504
13 24641572224240907264
14 1272101807179840322416
15 66620238759427147324192
16 3532989709864148362611988
17 189447449844340069835395984

List of values

[1, 4, 52, 1192, 36628, 1297504, 50419096, 2099649808, 92239977748, 4225417349872, 200149545055552, 9743739840316288, 485293084757188504, 24641572224240907264, 1272101807179840322416, 66620238759427147324192, 3532989709864148362611988, 189447449844340069835395984]