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 | 2 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 4 |
| 6 | 6 |
| 7 | 8 |
| 8 | 6 |
| 9 | 8 |
| 10 | 14 |
| 11 | 25 |
| 12 | 36 |
| 13 | 180 |
| 14 | 76 |
| 15 | 80 |
| 16 | 66 |
| 17 | 2068 |
| 18 | 354 |
| 19 | 7316 |
| 20 | 740 |
| 21 | 1776 |
| 22 | 2198 |
| 23 | 264 |
| 24 | 792 |
| 25 | 3278 |
| 26 | 122396 |
| 27 | 848 |
| 28 | 17312 |
| 29 | 27743 |
| 30 | 36696 |
| 31 | 17896832 |