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 | 0 |
| 2 | 0 |
| 3 | 2 |
| 4 | 2 |
| 5 | 4 |
| 6 | 6 |
| 7 | 10 |
| 8 | 16 |
| 9 | 26 |
| 10 | 42 |
| 11 | 68 |
| 12 | 110 |
| 13 | 178 |
| 14 | 288 |
| 15 | 466 |
| 16 | 754 |
| 17 | 1220 |
| 18 | 1974 |
| 19 | 3194 |
| 20 | 5168 |
| 21 | 8362 |
| 22 | 13530 |
| 23 | 21892 |
| 24 | 35422 |
| 25 | 57314 |
| 26 | 92736 |
| 27 | 150050 |
| 28 | 242786 |
| 29 | 392836 |
| 30 | 635622 |
| 31 | 1028458 |
| 32 | 1664080 |
| 33 | 2692538 |
| 34 | 4356618 |
| 35 | 7049156 |
| 36 | 11405774 |
| 37 | 18454930 |
| 38 | 29860704 |
| 39 | 48315634 |
| 40 | 78176338 |