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 | 4 |
| 3 | 13 |
| 4 | 70 |
| 5 | 253 |
| 6 | 299 |
| 7 | 680 |
| 8 | 1235 |
| 9 | 2691 |
| 10 | 3683 |
| 11 | 6169 |
| 12 | 7733 |
| 13 | 10414 |
| 14 | 13717 |
| 15 | 22278 |
| 16 | 23373 |
| 17 | 38586 |
| 18 | 35563 |
| 19 | 51255 |
| 20 | 76041 |
| 21 | 60298 |
| 22 | 96222 |
| 23 | 103916 |
| 24 | 110894 |
| 25 | 143172 |
| 26 | 165337 |
| 27 | 206000 |
| 28 | 218494 |
| 29 | 206991 |
| 30 | 229164 |
| 31 | 377698 |
| 32 | 413305 |
| 33 | 410726 |
| 34 | 471766 |
| 35 | 535357 |
| 36 | 647941 |
| 37 | 625331 |