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 | 1 |
3 | 5 |
4 | 40 |
5 | 414 |
6 | 5096 |
7 | 71465 |
8 | 1113432 |
9 | 18964415 |
10 | 349252420 |
11 | 6899717360 |
12 | 145360352592 |
13 | 3250782038728 |
14 | 76887080836140 |
15 | 1917401350590001 |
16 | 50284361717695424 |
17 | 1383636099826635216 |
18 | 39865319955874291412 |
19 | 1200467734347938040895 |
20 | 37718141663144558046536 |
21 | 1234556743772762830508484 |