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 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 5 |
| 8 | 9 |
| 9 | 15 |
| 10 | 25 |
| 11 | 42 |
| 12 | 70 |
| 13 | 116 |
| 14 | 192 |
| 15 | 317 |
| 16 | 522 |
| 17 | 858 |
| 18 | 1408 |
| 19 | 2307 |
| 20 | 3775 |
| 21 | 6170 |
| 22 | 10074 |
| 23 | 16433 |
| 24 | 26784 |
| 25 | 43623 |
| 26 | 71002 |
| 27 | 115497 |
| 28 | 187777 |
| 29 | 305147 |
| 30 | 495669 |
| 31 | 804839 |
| 32 | 1306404 |
| 33 | 2119884 |
| 34 | 3438952 |
| 35 | 5577396 |
| 36 | 9043549 |
| 37 | 14660810 |
| 38 | 23762784 |
| 39 | 38509220 |
| 40 | 62397495 |
| 41 | 101090631 |