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 | 7 |
2 | 48 |
3 | 330 |
4 | 2268 |
5 | 15588 |
6 | 107136 |
7 | 736344 |
8 | 5060880 |
9 | 34783344 |
10 | 239065344 |
11 | 1643092128 |
12 | 11292944832 |
13 | 77616221760 |
14 | 533454999552 |
15 | 3666427327872 |
16 | 25199293964544 |
17 | 173194327754496 |
18 | 1190361730314240 |
19 | 8181336348412416 |
20 | 56230188472359936 |
21 | 386469148924634112 |