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 | 4 |
2 | 248 |
3 | 61320 |
4 | 39194896 |
5 | 51699564000 |
6 | 122482878310656 |
7 | 474300956527856640 |
8 | 2804126507444905046272 |
9 | 24036712401508315774848000 |
10 | 286889291626307627568309995520 |
11 | 4615084616716397442547883972818944 |
12 | 97421519516367186622078306709619806208 |