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 | 2 |
| 4 | 14 |
| 5 | 12 |
| 6 | 8 |
| 7 | 18 |
| 8 | 18 |
| 9 | 30 |
| 10 | 20 |
| 11 | 170 |
| 12 | 24 |
| 13 | 114 |
| 14 | 56 |
| 15 | 156 |
| 16 | 2510 |
| 17 | 1824 |
| 18 | 12 |
| 19 | 3980 |
| 20 | 3630 |
| 21 | 16902 |
| 22 | 284 |
| 23 | 7712 |
| 24 | 20022 |
| 25 | 12930 |
| 26 | 9698 |
| 27 | 16232 |
| 28 | 1058 |
| 29 | 256016 |
| 30 | 23712 |
| 31 | 26298 |