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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 2 |
| 13 | 4 |
| 14 | 18 |
| 15 | 13 |
| 16 | 62 |
| 17 | 8 |
| 18 | 133 |
| 19 | 225 |
| 20 | 209 |
| 21 | 32 |
| 22 | 2644 |
| 23 | 4462 |
| 24 | 61341 |
| 25 | 113986 |
| 26 | 750294 |
| 27 | 176301 |
| 28 | 7575912 |
| 29 | 3575686 |
| 30 | 7705362 |
| 31 | 36777080 |
| 32 | 108638048 |
| 33 | 97295807 |