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 | 14 |
| 1 | 15 |
| 2 | 104 |
| 3 | 223 |
| 4 | 1442 |
| 5 | 1665 |
| 6 | 48062 |
| 7 | 49727 |
| 8 | 346424 |
| 9 | 742575 |
| 10 | 4801874 |
| 11 | 5544449 |
| 12 | 160046446 |
| 13 | 165590895 |
| 14 | 1153591816 |
| 15 | 2472774527 |
| 16 | 15990238978 |
| 17 | 18463013505 |
| 18 | 532954617118 |
| 19 | 551417630623 |
| 20 | 3841460400856 |
| 21 | 8234338432335 |
| 22 | 53247490994866 |
| 23 | 61481829427201 |
| 24 | 1774738714956494 |