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 | 3 |
| 2 | 1 |
| 3 | 12 |
| 4 | 6 |
| 5 | 1 |
| 6 | 55 |
| 7 | 33 |
| 8 | 9 |
| 9 | 1 |
| 10 | 273 |
| 11 | 182 |
| 12 | 63 |
| 13 | 12 |
| 14 | 1 |
| 15 | 1428 |
| 16 | 1020 |
| 17 | 408 |
| 18 | 102 |
| 19 | 15 |
| 20 | 1 |
| 21 | 7752 |
| 22 | 5814 |
| 23 | 2565 |
| 24 | 760 |
| 25 | 150 |
| 26 | 18 |
| 27 | 1 |
| 28 | 43263 |
| 29 | 33649 |
| 30 | 15939 |
| 31 | 5313 |
| 32 | 1265 |
| 33 | 207 |
| 34 | 21 |
| 35 | 1 |
| 36 | 246675 |
| 37 | 197340 |
| 38 | 98670 |
| 39 | 35880 |
| 40 | 9750 |
| 41 | 1950 |
| 42 | 273 |
| 43 | 24 |
| 44 | 1 |