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 | 1 |
| 2 | 3 |
| 3 | 41 |
| 4 | 617 |
| 5 | 823 |
| 6 | 643 |
| 7 | 9721 |
| 8 | 14593 |
| 9 | 3803 |
| 10 | 3803 |
| 11 | 14405693 |
| 12 | 10288065751 |
| 13 | 116216501 |
| 14 | 12079920647 |
| 15 | 7552031 |
| 16 | 435503 |
| 17 | 1763668414462081 |
| 18 | 106377431 |
| 19 | 27961 |
| 20 | 27961 |
| 21 | 205126079 |
| 22 | 84225392753 |
| 23 | 7347135846537257 |
| 24 | 437274720469 |
| 25 | 12792129877 |
| 26 | 244251294564157 |