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 | 213562373 |
| 2 | 488016887 |
| 3 | 688724209 |
| 4 | 807856967 |
| 5 | 718753769 |
| 6 | 376948073 |
| 7 | 501384623 |
| 8 | 470109559 |
| 9 | 609552329 |
| 10 | 292304843 |
| 11 | 260362799 |
| 12 | 396546331 |
| 13 | 523950547 |
| 14 | 877599617 |
| 15 | 172983557 |
| 16 | 220337531 |
| 17 | 570113543 |
| 18 | 160386899 |
| 19 | 603868999 |
| 20 | 782306849 |
| 21 | 684929369 |
| 22 | 861249497 |
| 23 | 124949771 |