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 | 62 |
5 | 442 |
6 | 3892 |
7 | 40504 |
8 | 487496 |
9 | 6655688 |
10 | 101656592 |
11 | 1717234432 |
12 | 31789038304 |
13 | 639932442976 |
14 | 13918144177088 |
15 | 325239867277952 |
16 | 8126648153635712 |
17 | 216210586758515584 |
18 | 6102238859442194176 |
19 | 182102977877507458048 |
20 | 5729025247479379569152 |