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 | 1 |
2 | 6 |
3 | 90 |
4 | 2328 |
5 | 84660 |
6 | 3972060 |
7 | 229176654 |
8 | 15712089120 |
9 | 1248343353216 |
10 | 112832687750400 |
11 | 11437476445244520 |
12 | 1285433373363701760 |
13 | 158682294244352658312 |
14 | 21349655111889802728576 |
15 | 3110218068324341815470000 |
16 | 487862693943123978219847680 |
17 | 81999755541558838752430348800 |