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 | 2 |
| 1 | 36 |
| 2 | 12 |
| 3 | 1056 |
| 4 | 672 |
| 5 | 96 |
| 6 | 43968 |
| 7 | 40416 |
| 8 | 10752 |
| 9 | 864 |
| 10 | 2396160 |
| 11 | 2815488 |
| 12 | 1051776 |
| 13 | 156672 |
| 14 | 8064 |
| 15 | 161879040 |
| 16 | 226492416 |
| 17 | 105981696 |
| 18 | 22125312 |
| 19 | 2121984 |
| 20 | 76032 |
| 21 | 13044326400 |
| 22 | 20766633984 |
| 23 | 11446769664 |
| 24 | 2995605504 |