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) |
|---|---|
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 3 |
| 9 | 6 |
| 10 | 8 |
| 11 | 15 |
| 12 | 23 |
| 13 | 39 |
| 14 | 61 |
| 15 | 102 |
| 16 | 161 |
| 17 | 265 |
| 18 | 420 |
| 19 | 682 |
| 20 | 1087 |
| 21 | 1753 |
| 22 | 2790 |
| 23 | 4476 |
| 24 | 7120 |
| 25 | 11376 |
| 26 | 18075 |
| 27 | 28785 |
| 28 | 45666 |
| 29 | 72530 |
| 30 | 114882 |
| 31 | 182040 |
| 32 | 287878 |
| 33 | 455231 |
| 34 | 718755 |
| 35 | 1134491 |
| 36 | 1788461 |
| 37 | 2818140 |
| 38 | 4436000 |
| 39 | 6978932 |
| 40 | 10969695 |
| 41 | 17232572 |
| 42 | 27049320 |