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 | 29 |
| 2 | 347 |
| 3 | 2203 |
| 4 | 704993 |
| 5 | 2248123 |
| 6 | 2685653 |
| 7 | 3442987 |
| 8 | 81182821 |
| 9 | 86938393 |
| 10 | 95444081 |
| 11 | 230346509 |
| 12 | 1064332433 |
| 13 | 1298596753 |
| 14 | 1829276767 |
| 15 | 2202074113 |
| 16 | 3449796071 |
| 17 | 4306879141 |
| 18 | 6740558659 |
| 19 | 8205739219 |
| 20 | 9649993009 |
| 21 | 11650768499 |
| 22 | 14225261327 |
| 23 | 15124198183 |
| 24 | 19968681493 |
| 25 | 21415471837 |