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 | 3 |
| 1 | 22 |
| 2 | 118 |
| 3 | 383 |
| 4 | 571 |
| 5 | 635 |
| 6 | 70529 |
| 7 | 375687 |
| 8 | 399380 |
| 9 | 575584 |
| 10 | 699357 |
| 11 | 1561065 |
| 12 | 1795712 |
| 13 | 194445473 |
| 14 | 253745996 |
| 15 | 3199003690 |
| 16 | 3727084011 |
| 17 | 6607433185 |
| 18 | 16248462801 |
| 19 | 172940584814 |
| 20 | 313728984965 |
| 21 | 796022309187 |
| 22 | 5348508258636 |
| 23 | 5962546521072 |
| 24 | 97497255361780 |
| 25 | 121347007731845 |