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 | 0 |
1 | 1 |
2 | 4 |
3 | 19 |
4 | 98 |
5 | 570 |
6 | 3642 |
7 | 25292 |
8 | 189454 |
9 | 1519648 |
10 | 12978141 |
11 | 117437020 |
12 | 1121299471 |
13 | 11256640012 |
14 | 118443403699 |
15 | 1302670531063 |
16 | 14938986954323 |
17 | 178248001223476 |
18 | 2208487163394749 |
19 | 28363722744050886 |
20 | 376991516806826090 |
21 | 5178009641895235269 |
22 | 73396161423153313320 |