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 | 5 |
3 | 17 |
4 | 77 |
5 | 437 |
6 | 2975 |
7 | 23627 |
8 | 214457 |
9 | 2189897 |
10 | 24846395 |
11 | 310095887 |
12 | 4221990437 |
13 | 62273111357 |
14 | 989164604615 |
15 | 16834483468547 |
16 | 305604501324017 |
17 | 5894522593612817 |
18 | 120381876933435635 |
19 | 2595103478745235607 |
20 | 58887707028270711197 |
21 | 1403084759749993342277 |