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 | 2 |
| 1 | 52 |
| 2 | 392 |
| 3 | 1650 |
| 4 | 5033 |
| 5 | 12524 |
| 6 | 27068 |
| 7 | 52774 |
| 8 | 95100 |
| 9 | 100502 |
| 10 | 169267 |
| 11 | 271381 |
| 12 | 417725 |
| 13 | 621327 |
| 14 | 897551 |
| 15 | 1264295 |
| 16 | 1742180 |
| 17 | 2354746 |
| 18 | 3128646 |
| 19 | 3216033 |
| 20 | 4202131 |
| 21 | 5416520 |
| 22 | 6896723 |
| 23 | 8684170 |
| 24 | 10824388 |
| 25 | 13367195 |
| 26 | 16366889 |
| 27 | 19882450 |
| 28 | 23977724 |