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 | 3 |
3 | 11 |
4 | 56 |
5 | 353 |
6 | 2619 |
7 | 22175 |
8 | 210077 |
9 | 2196732 |
10 | 25104008 |
11 | 311139385 |
12 | 4156661566 |
13 | 59551385285 |
14 | 910955221547 |
15 | 14821776943015 |
16 | 255639834413712 |
17 | 4659720389150655 |
18 | 89515541970546889 |
19 | 1807824383345511646 |
20 | 38294715773270374886 |
21 | 849051935815301595992 |
22 | 19665430140710069083996 |