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 | 1 |
| 2 | 11 |
| 3 | 37 |
| 4 | 89 |
| 5 | 211 |
| 6 | 1344 |
| 7 | 1345 |
| 8 | 1346 |
| 9 | 2503 |
| 10 | 3967 |
| 11 | 15704 |
| 12 | 15705 |
| 13 | 16033 |
| 14 | 19634 |
| 15 | 19635 |
| 16 | 24281 |
| 17 | 31428 |
| 18 | 31429 |
| 19 | 31430 |
| 20 | 31431 |
| 21 | 31432 |
| 22 | 31433 |
| 23 | 38501 |
| 24 | 58831 |
| 25 | 155964 |
| 26 | 203713 |
| 27 | 206699 |