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 | 18 |
3 | 88 |
4 | 452 |
5 | 2388 |
6 | 12872 |
7 | 70520 |
8 | 391630 |
9 | 2199816 |
10 | 12476024 |
11 | 71341184 |
12 | 410864744 |
13 | 2381026908 |
14 | 13874518912 |
15 | 81244555896 |
16 | 477825991140 |
17 | 2821333839872 |
18 | 16718050009866 |
19 | 99385412418648 |
20 | 592575029005992 |
21 | 3542752436877800 |
22 | 21233468105000280 |
23 | 127555885796445432 |