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 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 8 |
| 6 | 6 |
| 7 | 17 |
| 8 | 54 |
| 9 | 60 |
| 10 | 24 |
| 11 | 155 |
| 12 | 556 |
| 13 | 762 |
| 14 | 480 |
| 15 | 120 |
| 16 | 2073 |
| 17 | 8146 |
| 18 | 12840 |
| 19 | 10248 |
| 20 | 4200 |
| 21 | 720 |
| 22 | 38227 |
| 23 | 161424 |
| 24 | 282078 |
| 25 | 263040 |
| 26 | 139440 |
| 27 | 40320 |
| 28 | 5040 |
| 29 | 929569 |
| 30 | 4163438 |
| 31 | 7886580 |
| 32 | 8240952 |
| 33 | 5170800 |
| 34 | 1965600 |
| 35 | 423360 |
| 36 | 40320 |
| 37 | 28820619 |
| 38 | 135634292 |