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) |
---|---|
0 | 1 |
1 | 2 |
2 | 72 |
3 | 43200 |
4 | 423360000 |
5 | 67212633600000 |
6 | 172153600393420800000 |
7 | 7097063852481244869427200000 |
8 | 4702142622508202833251304734720000000 |
9 | 50019370356486058711268515056654483456000000000 |
10 | 8537000898240926708833515201784986712482596782080000000000 |