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 | 2 |
2 | 20 |
3 | 284 |
4 | 4712 |
5 | 85392 |
6 | 1638112 |
7 | 32699472 |
8 | 672188768 |
9 | 14133399744 |
10 | 302535052160 |
11 | 6570819330688 |
12 | 144442463464704 |
13 | 3207564324825600 |
14 | 71848240540852224 |
15 | 1621452789508328704 |
16 | 36831997860270007808 |
17 | 841470878382566444032 |