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) |
---|---|
9 | 9 |
10 | 22950 |
11 | 9236700 |
12 | 1731510000 |
13 | 213034536000 |
14 | 20154167953920 |
15 | 1599866940672000 |
16 | 112412172128256000 |
17 | 7240640845838400000 |
18 | 437993205197708160000 |
19 | 25315591135036262860800 |