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 | 1 |
2 | 70 |
3 | 28000 |
4 | 33833800 |
5 | 91842150400 |
6 | 471920698849600 |
7 | 4105733038511104000 |
8 | 55918460253906250000000 |
9 | 1124922893768186370457600000 |
10 | 31962429471680921191680301600000 |
11 | 1237813985055170041194334820761600000 |
12 | 63474917512551971525535771981021376000000 |