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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 9 |
| 5 | 13 |
| 6 | 14 |
| 7 | 15 |
| 8 | 17 |
| 9 | 22 |
| 10 | 23 |
| 11 | 80 |
| 12 | 297 |
| 13 | 393 |
| 14 | 524 |
| 15 | 591 |
| 16 | 1107 |
| 17 | 1135 |
| 18 | 1179 |
| 19 | 1442 |
| 20 | 2819 |
| 21 | 3549 |
| 22 | 3756 |
| 23 | 3837 |
| 24 | 4903 |
| 25 | 5277 |
| 26 | 5639 |
| 27 | 7230 |
| 28 | 13147 |
| 29 | 14828 |
| 30 | 16158 |
| 31 | 18119 |
| 32 | 28880 |
| 33 | 99275 |
| 34 | 212339 |
| 35 | 254639 |