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 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 7 |
| 8 | 11 |
| 9 | 20 |
| 10 | 36 |
| 11 | 67 |
| 12 | 121 |
| 13 | 215 |
| 14 | 377 |
| 15 | 657 |
| 16 | 1154 |
| 17 | 2045 |
| 18 | 3666 |
| 19 | 6628 |
| 20 | 12063 |
| 21 | 22079 |
| 22 | 40642 |
| 23 | 75264 |
| 24 | 140191 |
| 25 | 262457 |
| 26 | 493297 |
| 27 | 929703 |
| 28 | 1754941 |
| 29 | 3314509 |
| 30 | 6258052 |
| 31 | 11803995 |
| 32 | 22232306 |
| 33 | 41801393 |
| 34 | 78453563 |
| 35 | 146987053 |
| 36 | 274957984 |