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 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 7 |
| 7 | 12 |
| 8 | 23 |
| 9 | 44 |
| 10 | 80 |
| 11 | 138 |
| 12 | 230 |
| 13 | 379 |
| 14 | 629 |
| 15 | 1060 |
| 16 | 1810 |
| 17 | 3109 |
| 18 | 5336 |
| 19 | 9120 |
| 20 | 15521 |
| 21 | 26349 |
| 22 | 44713 |
| 23 | 75949 |
| 24 | 129177 |
| 25 | 219918 |
| 26 | 374521 |
| 27 | 637699 |
| 28 | 1085401 |
| 29 | 1846804 |
| 30 | 3141826 |
| 31 | 5344988 |
| 32 | 9093989 |
| 33 | 15474230 |
| 34 | 26332515 |
| 35 | 44810670 |
| 36 | 76253683 |
| 37 | 129755543 |
| 38 | 220790480 |