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 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 8 |
| 5 | 10 |
| 6 | 36 |
| 7 | 41 |
| 8 | 132 |
| 9 | 250 |
| 10 | 700 |
| 11 | 750 |
| 12 | 4010 |
| 13 | 4237 |
| 14 | 10680 |
| 15 | 24679 |
| 16 | 87328 |
| 17 | 90478 |
| 18 | 435812 |
| 19 | 449586 |
| 20 | 1939684 |
| 21 | 3853278 |
| 22 | 8650900 |
| 23 | 8840110 |
| 24 | 60035322 |
| 25 | 80605209 |
| 26 | 177211024 |
| 27 | 368759752 |
| 28 | 1380348224 |
| 29 | 1401414640 |
| 30 | 8892787136 |
| 31 | 9014369784 |
| 32 | 33923638848 |
| 33 | 59455553072 |
| 34 | 126536289568 |
| 35 | 207587882368 |