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 | 1 |
3 | 3 |
4 | 9 |
5 | 21 |
6 | 81 |
7 | 351 |
8 | 1233 |
9 | 10249 |
10 | 75841 |
11 | 388411 |
12 | 3733401 |
13 | 33702813 |
14 | 215375889 |
15 | 1984583511 |
16 | 19181083041 |
17 | 141963117201 |
18 | 1797976123393 |
19 | 22534941675379 |
20 | 202605151063081 |
21 | 2992764505338021 |
22 | 43182110678814801 |
23 | 445326641624332623 |