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 | 677 |
| 2 | 727 |
| 3 | 785 |
| 4 | 3277 |
| 5 | 3635 |
| 6 | 4033 |
| 7 | 18985 |
| 8 | 21083 |
| 9 | 23413 |
| 10 | 110633 |
| 11 | 122863 |
| 12 | 136445 |
| 13 | 644813 |
| 14 | 716095 |
| 15 | 795257 |
| 16 | 3758245 |
| 17 | 4173707 |
| 18 | 4635097 |
| 19 | 21904657 |
| 20 | 24326147 |
| 21 | 27015325 |
| 22 | 127669697 |
| 23 | 141783175 |
| 24 | 157456853 |
| 25 | 744113525 |
| 26 | 826372903 |
| 27 | 917725793 |