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 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 9 |
| 8 | 14 |
| 9 | 24 |
| 10 | 37 |
| 11 | 63 |
| 12 | 93 |
| 13 | 162 |
| 14 | 233 |
| 15 | 376 |
| 16 | 582 |
| 17 | 921 |
| 18 | 1497 |
| 19 | 2435 |
| 20 | 4007 |
| 21 | 6696 |
| 22 | 10998 |
| 23 | 18310 |
| 24 | 30340 |
| 25 | 50792 |
| 26 | 84897 |
| 27 | 143079 |
| 28 | 239266 |
| 29 | 401652 |
| 30 | 673887 |
| 31 | 1131226 |
| 32 | 1900203 |
| 33 | 3197114 |
| 34 | 5373366 |
| 35 | 9039360 |
| 36 | 15208992 |
| 37 | 25592325 |
| 38 | 43064747 |
| 39 | 72494816 |
| 40 | 122025100 |