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 | 2 |
| 4 | 9 |
| 5 | 32 |
| 6 | 82 |
| 7 | 199 |
| 8 | 407 |
| 9 | 796 |
| 10 | 1424 |
| 11 | 2407 |
| 12 | 3948 |
| 13 | 6166 |
| 14 | 9456 |
| 15 | 14171 |
| 16 | 20556 |
| 17 | 29007 |
| 18 | 40714 |
| 19 | 55528 |
| 20 | 75323 |
| 21 | 100720 |
| 22 | 132454 |
| 23 | 171336 |
| 24 | 221156 |
| 25 | 281727 |
| 26 | 355410 |
| 27 | 445061 |
| 28 | 553660 |
| 29 | 680365 |
| 30 | 835511 |
| 31 | 1013730 |
| 32 | 1226556 |
| 33 | 1475591 |
| 34 | 1764220 |
| 35 | 2101833 |
| 36 | 2493659 |