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 | 21 |
| 3 | 1 |
| 4 | 336 |
| 5 | 42 |
| 6 | 1 |
| 7 | 4536 |
| 8 | 1113 |
| 9 | 63 |
| 10 | 1 |
| 11 | 54432 |
| 12 | 23184 |
| 13 | 2331 |
| 14 | 84 |
| 15 | 1 |
| 16 | 598752 |
| 17 | 412272 |
| 18 | 65205 |
| 19 | 3990 |
| 20 | 105 |
| 21 | 1 |
| 22 | 6158592 |
| 23 | 6531840 |
| 24 | 1518048 |
| 25 | 139860 |
| 26 | 6090 |
| 27 | 126 |
| 28 | 1 |
| 29 | 60046272 |
| 30 | 94618368 |
| 31 | 30912840 |
| 32 | 4010769 |
| 33 | 256410 |
| 34 | 8631 |
| 35 | 147 |
| 36 | 1 |
| 37 | 560431872 |
| 38 | 1274921856 |