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.
n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 56 |
4 | 4096 |
5 | 666624 |
6 | 1194590208 |
7 | 3343877406720 |
8 | 72057594037927936 |
9 | 3701652434038082764800 |
10 | 1021880992906173430024372224 |
11 | 750836199529096452135514747699200 |
12 | 7415506491123333639280491668337906941952 |
13 | 52777360037873674206622083843242895013104844800 |