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 | 3 |
| 2 | 37 |
| 3 | 339 |
| 4 | 1805 |
| 5 | 7250 |
| 6 | 23611 |
| 7 | 65909 |
| 8 | 163588 |
| 9 | 369777 |
| 10 | 775045 |
| 11 | 1525468 |
| 12 | 2847243 |
| 13 | 5078854 |
| 14 | 8712108 |
| 15 | 14442500 |
| 16 | 23231857 |
| 17 | 36384941 |
| 18 | 55641864 |
| 19 | 83284699 |
| 20 | 122267246 |
| 21 | 176362928 |
| 22 | 250341134 |
| 23 | 350161711 |
| 24 | 483206291 |
| 25 | 658533921 |
| 26 | 887179738 |
| 27 | 1182476762 |