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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 14 |
| 3 | 41 |
| 4 | 148 |
| 5 | 351 |
| 6 | 715 |
| 7 | 1391 |
| 8 | 2258 |
| 9 | 3566 |
| 10 | 5609 |
| 11 | 8582 |
| 12 | 11684 |
| 13 | 17126 |
| 14 | 22429 |
| 15 | 29061 |
| 16 | 37894 |
| 17 | 50820 |
| 18 | 62377 |
| 19 | 80314 |
| 20 | 96153 |