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 | 4 |
2 | 34 |
3 | 286 |
4 | 2761 |
5 | 23782 |
6 | 227986 |
7 | 1972186 |
8 | 18152548 |
9 | 158757298 |
10 | 1420647928 |
11 | 12258704248 |
12 | 108637887148 |
13 | 929002856992 |
14 | 8065133782792 |
15 | 68761800685576 |
16 | 589631899738033 |
17 | 4976639418495358 |
18 | 42293283621258283 |
19 | 354415428588891283 |
20 | 2982701933728936648 |
21 | 24857294772400460368 |