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 | 3 |
2 | 21 |
3 | 222 |
4 | 3132 |
5 | 55242 |
6 | 1169262 |
7 | 28873800 |
8 | 814870584 |
9 | 25871762016 |
10 | 912684973968 |
11 | 35416732159872 |
12 | 1499286521185776 |
13 | 68757945743286576 |
14 | 3395829155786528976 |
15 | 179693346163010491008 |
16 | 10142543588881013369856 |
17 | 608262031900883147262336 |