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) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 24 |
| 4 | 36 |
| 5 | 120 |
| 6 | 1296 |
| 7 | 900 |
| 8 | 840 |
| 9 | 46656 |
| 10 | 7560 |
| 11 | 44100 |
| 12 | 60466176 |
| 13 | 810000 |
| 14 | 83160 |
| 15 | 2176782336 |
| 16 | 2822400 |
| 17 | 1081080 |
| 18 | 2821109907456 |
| 19 | 729000000 |
| 20 | 101559956668416 |
| 21 | 17297280 |
| 22 | 131621703842267136 |
| 23 | 1944810000 |
| 24 | 341510400 |