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 | 1878781 |
| 2 | 1879781 |
| 3 | 1968691 |
| 4 | 3589853 |
| 5 | 7819187 |
| 6 | 108484801 |
| 7 | 159181951 |
| 8 | 160696061 |
| 9 | 175090571 |
| 10 | 187090781 |
| 11 | 316686613 |
| 12 | 319393913 |
| 13 | 725585527 |
| 14 | 728888827 |
| 15 | 731898137 |
| 16 | 904080409 |
| 17 | 921191129 |
| 18 | 930494039 |
| 19 | 987191789 |
| 20 | 987484789 |
| 21 | 10456865401 |
| 22 | 10744944701 |