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 | 17 |
| 2 | 163 |
| 3 | 443 |
| 4 | 3449 |
| 5 | 45989 |
| 6 | 239 |
| 7 | 15541 |
| 8 | 2819 |
| 9 | 60793 |
| 10 | 78017 |
| 11 | 690143 |
| 12 | 398023 |
| 13 | 1977343 |
| 14 | 574081 |
| 15 | 1513367 |
| 16 | 4388179 |
| 17 | 3198427 |
| 18 | 8065789 |
| 19 | 3246107 |
| 20 | 1353383 |
| 21 | 5934307 |
| 22 | 15631613 |
| 23 | 2864371 |
| 24 | 14754769 |
| 25 | 15012733 |
| 26 | 1358891 |
| 27 | 32414783 |
| 28 | 119551 |
| 29 | 21860063 |
| 30 | 11281097 |