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 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 7 |
| 7 | 31 |
| 8 | 24 |
| 9 | 44 |
| 10 | 711 |
| 11 | 977 |
| 12 | 8311 |
| 13 | 1089 |
| 14 | 4023 |
| 15 | 53122 |
| 16 | 51475 |
| 17 | 33677 |
| 18 | 412441 |
| 19 | 945145 |
| 20 | 6303211 |
| 21 | 1027527 |
| 22 | 8075903 |
| 23 | 51363612 |
| 24 | 74868455 |
| 25 | 376085401 |
| 26 | 68539284 |
| 27 | 214889742 |
| 28 | 927862936 |
| 29 | 2360934421 |
| 30 | 2982905123 |
| 31 | 1968515515 |
| 32 | 8282454457 |