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 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 3 |
| 9 | 4 |
| 10 | 4 |
| 11 | 1 |
| 12 | 11 |
| 13 | 46 |
| 14 | 56 |
| 15 | 56 |
| 16 | 1 |
| 17 | 53 |
| 18 | 1064 |
| 19 | 6552 |
| 20 | 9408 |
| 21 | 9408 |
| 22 | 1 |
| 23 | 309 |
| 24 | 35792 |
| 25 | 1293216 |
| 26 | 11270400 |
| 27 | 16942080 |
| 28 | 16942080 |
| 29 | 1 |
| 30 | 2119 |
| 31 | 1673792 |
| 32 | 420909504 |
| 33 | 27206658048 |
| 34 | 335390189568 |
| 35 | 535281401856 |
| 36 | 535281401856 |
| 37 | 1 |
| 38 | 16687 |
| 39 | 103443808 |