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 | 2 |
| 2 | 17 |
| 3 | 100 |
| 4 | 381 |
| 5 | 1060 |
| 6 | 2427 |
| 7 | 4888 |
| 8 | 8893 |
| 9 | 15116 |
| 10 | 24133 |
| 11 | 36888 |
| 12 | 54169 |
| 13 | 77136 |
| 14 | 106733 |
| 15 | 144526 |
| 16 | 191755 |
| 17 | 249748 |
| 18 | 320705 |
| 19 | 406048 |
| 20 | 507825 |
| 21 | 627294 |
| 22 | 768373 |
| 23 | 931686 |
| 24 | 1119887 |
| 25 | 1336090 |
| 26 | 1583293 |
| 27 | 1864190 |
| 28 | 2180741 |
| 29 | 2536646 |
| 30 | 2935471 |
| 31 | 3380980 |