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 | 14 |
3 | 132 |
4 | 1446 |
5 | 17340 |
6 | 220524 |
7 | 2919240 |
8 | 39761094 |
9 | 553080044 |
10 | 7818246436 |
11 | 111929301688 |
12 | 1618972088028 |
13 | 23616939932376 |
14 | 346986771074328 |
15 | 5129262870441360 |
16 | 76223971339368006 |
17 | 1137977844577647948 |
18 | 17058656523389665268 |
19 | 256642078290095158360 |
20 | 3873624648355421605492 |