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 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 4 |
| 7 | 6 |
| 8 | 9 |
| 9 | 13 |
| 10 | 20 |
| 11 | 31 |
| 12 | 47 |
| 13 | 73 |
| 14 | 112 |
| 15 | 174 |
| 16 | 269 |
| 17 | 418 |
| 18 | 651 |
| 19 | 1015 |
| 20 | 1586 |
| 21 | 2481 |
| 22 | 3886 |
| 23 | 6095 |
| 24 | 9571 |
| 25 | 15048 |
| 26 | 23684 |
| 27 | 37312 |
| 28 | 58837 |
| 29 | 92857 |
| 30 | 146667 |
| 31 | 231831 |
| 32 | 366707 |
| 33 | 580438 |
| 34 | 919314 |
| 35 | 1456898 |
| 36 | 2310137 |
| 37 | 3665024 |
| 38 | 5817475 |
| 39 | 9238469 |
| 40 | 14677875 |
| 41 | 23329993 |
| 42 | 37097578 |
| 43 | 59013025 |
| 44 | 93910464 |
| 45 | 149498476 |