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 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 8 |
| 6 | 14 |
| 7 | 25 |
| 8 | 48 |
| 9 | 94 |
| 10 | 192 |
| 11 | 399 |
| 12 | 850 |
| 13 | 1833 |
| 14 | 4012 |
| 15 | 8862 |
| 16 | 19767 |
| 17 | 44398 |
| 18 | 100409 |
| 19 | 228321 |
| 20 | 521868 |
| 21 | 1198025 |
| 22 | 2761397 |
| 23 | 6387546 |
| 24 | 14823925 |
| 25 | 34504202 |
| 26 | 80530820 |
| 27 | 188421429 |
| 28 | 441872140 |
| 29 | 1038444527 |
| 30 | 2445263286 |
| 31 | 5768499524 |
| 32 | 13631457915 |
| 33 | 32263783234 |
| 34 | 76478352334 |