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 | 4 |
| 6 | 6 |
| 7 | 11 |
| 8 | 14 |
| 9 | 18 |
| 10 | 24 |
| 11 | 53 |
| 12 | 64 |
| 13 | 78 |
| 14 | 96 |
| 15 | 120 |
| 16 | 309 |
| 17 | 362 |
| 18 | 426 |
| 19 | 504 |
| 20 | 600 |
| 21 | 720 |
| 22 | 2119 |
| 23 | 2428 |
| 24 | 2790 |
| 25 | 3216 |
| 26 | 3720 |
| 27 | 4320 |
| 28 | 5040 |
| 29 | 16687 |
| 30 | 18806 |
| 31 | 21234 |
| 32 | 24024 |
| 33 | 27240 |
| 34 | 30960 |
| 35 | 35280 |
| 36 | 40320 |