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 | 1 |
| 5 | 0 |
| 6 | 0 |
| 7 | 2 |
| 8 | 0 |
| 9 | 1 |
| 10 | 6 |
| 11 | 2 |
| 12 | 3 |
| 13 | 15 |
| 14 | 6 |
| 15 | 14 |
| 16 | 46 |
| 17 | 22 |
| 18 | 48 |
| 19 | 133 |
| 20 | 66 |
| 21 | 161 |
| 22 | 395 |
| 23 | 218 |
| 24 | 522 |
| 25 | 1162 |
| 26 | 673 |
| 27 | 1651 |
| 28 | 3465 |
| 29 | 2105 |
| 30 | 5279 |
| 31 | 10369 |