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 | 2 |
| 3 | 3 |
| 4 | 8 |
| 5 | 10 |
| 6 | 36 |
| 7 | 42 |
| 8 | 128 |
| 9 | 216 |
| 10 | 600 |
| 11 | 660 |
| 12 | 3456 |
| 13 | 3744 |
| 14 | 9408 |
| 15 | 18900 |
| 16 | 61440 |
| 17 | 65280 |
| 18 | 279936 |
| 19 | 295488 |
| 20 | 1152000 |
| 21 | 2116800 |
| 22 | 4878720 |
| 23 | 5100480 |
| 24 | 31850496 |
| 25 | 41472000 |
| 26 | 93450240 |
| 27 | 163762560 |
| 28 | 568995840 |
| 29 | 589317120 |
| 30 | 3265920000 |
| 31 | 3374784000 |
| 32 | 11324620800 |
| 33 | 19269550080 |
| 34 | 42188636160 |