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 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 2 |
| 6 | 7 |
| 7 | 4 |
| 8 | 13 |
| 9 | 10 |
| 10 | 25 |
| 11 | 14 |
| 12 | 87 |
| 13 | 36 |
| 14 | 129 |
| 15 | 183 |
| 16 | 356 |
| 17 | 260 |
| 18 | 1345 |
| 19 | 804 |
| 20 | 3759 |
| 21 | 4433 |
| 22 | 9757 |
| 23 | 8384 |
| 24 | 47461 |
| 25 | 33780 |
| 26 | 108329 |
| 27 | 138766 |
| 28 | 408375 |
| 29 | 331184 |
| 30 | 2251815 |
| 31 | 1155734 |