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 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 22 |
| 7 | 25 |
| 8 | 29 |
| 9 | 59 |
| 10 | 89 |
| 11 | 221 |
| 12 | 453 |
| 13 | 535 |
| 14 | 1708 |
| 15 | 2242 |
| 16 | 2413 |
| 17 | 3581 |
| 18 | 4234 |
| 19 | 4848 |
| 20 | 5380 |
| 21 | 6548 |
| 22 | 8654 |
| 23 | 11035 |
| 24 | 17308 |
| 25 | 27634 |
| 26 | 28807 |
| 27 | 35481 |
| 28 | 79678 |
| 29 | 80875 |
| 30 | 114658 |
| 31 | 230394 |