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 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 5 |
| 5 | 11 |
| 6 | 20 |
| 7 | 36 |
| 8 | 65 |
| 9 | 119 |
| 10 | 218 |
| 11 | 412 |
| 12 | 770 |
| 13 | 1466 |
| 14 | 2784 |
| 15 | 5322 |
| 16 | 10226 |
| 17 | 19691 |
| 18 | 38048 |
| 19 | 73665 |
| 20 | 142927 |
| 21 | 277822 |
| 22 | 540851 |
| 23 | 1054502 |
| 24 | 2058507 |
| 25 | 4023164 |
| 26 | 7871226 |
| 27 | 15414517 |
| 28 | 30213010 |
| 29 | 59266164 |
| 30 | 116343183 |
| 31 | 228545303 |
| 32 | 449240025 |
| 33 | 883569304 |
| 34 | 1738768584 |
| 35 | 3423466797 |
| 36 | 6743729031 |