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 | 2 |
| 2 | 15 |
| 3 | 357 |
| 4 | 3339 |
| 5 | 5049 |
| 6 | 10659 |
| 7 | 12441 |
| 8 | 24969 |
| 9 | 99693 |
| 10 | 124355 |
| 11 | 132957 |
| 12 | 145145 |
| 13 | 353133 |
| 14 | 423657 |
| 15 | 596037 |
| 16 | 655707 |
| 17 | 734517 |
| 18 | 745503 |
| 19 | 894387 |
| 20 | 1406427 |
| 21 | 1641783 |
| 22 | 1823877 |
| 23 | 1936557 |
| 24 | 3295047 |
| 25 | 4108401 |
| 26 | 4194183 |
| 27 | 4776201 |
| 28 | 5574699 |
| 29 | 5842137 |
| 30 | 5971251 |
| 31 | 6132789 |
| 32 | 6953765 |
| 33 | 7649915 |