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 | 7 |
| 1 | 8 |
| 2 | 15 |
| 3 | 68 |
| 4 | 83 |
| 5 | 151 |
| 6 | 2197 |
| 7 | 2348 |
| 8 | 4545 |
| 9 | 20528 |
| 10 | 25073 |
| 11 | 45601 |
| 12 | 663487 |
| 13 | 709088 |
| 14 | 1372575 |
| 15 | 6199388 |
| 16 | 7571963 |
| 17 | 13771351 |
| 18 | 200370877 |
| 19 | 214142228 |
| 20 | 414513105 |
| 21 | 1872194648 |
| 22 | 2286707753 |
| 23 | 4158902401 |
| 24 | 60511341367 |