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) |
---|---|
1 | 1 |
2 | 2 |
3 | 9 |
4 | 56 |
5 | 455 |
6 | 4224 |
7 | 48391 |
8 | 609104 |
9 | 8814753 |
10 | 140512400 |
11 | 2483071481 |
12 | 47387543928 |
13 | 989622741367 |
14 | 22107721563368 |
15 | 530909919285495 |
16 | 13581037512256544 |
17 | 369627228319635329 |
18 | 10633498287935101920 |
19 | 323389433072136213289 |
20 | 10342303284390333962600 |
21 | 347514522157550224614711 |