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 | 5 |
3 | 21 |
4 | 129 |
5 | 897 |
6 | 7317 |
7 | 67365 |
8 | 692577 |
9 | 7849953 |
10 | 97199109 |
11 | 1304688789 |
12 | 18863836065 |
13 | 292198665249 |
14 | 4826470920021 |
15 | 84669407740773 |
16 | 1571901715253313 |
17 | 30786460730863425 |
18 | 634323280633460613 |
19 | 13714611211502376597 |
20 | 310448651226154786881 |
21 | 7342298348439393120321 |