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 | 6 |
3 | 28 |
4 | 182 |
5 | 1640 |
6 | 19220 |
7 | 278224 |
8 | 4809942 |
9 | 96598622 |
10 | 2208156512 |
11 | 56580566908 |
12 | 1605518324884 |
13 | 49963000166616 |
14 | 1691615823420800 |
15 | 61897541544248720 |
16 | 2433873670903995990 |
17 | 102341746590575878628 |
18 | 4582360425862350559350 |
19 | 217661837260679635780356 |