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 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 15 |
| 5 | 29 |
| 6 | 56 |
| 7 | 108 |
| 8 | 208 |
| 9 | 400 |
| 10 | 766 |
| 11 | 1465 |
| 12 | 2793 |
| 13 | 5314 |
| 14 | 10088 |
| 15 | 19115 |
| 16 | 36156 |
| 17 | 68290 |
| 18 | 128817 |
| 19 | 242720 |
| 20 | 456884 |
| 21 | 859269 |
| 22 | 1614809 |
| 23 | 3032673 |
| 24 | 5692145 |
| 25 | 10678326 |
| 26 | 20023239 |
| 27 | 37531218 |
| 28 | 70323203 |
| 29 | 131725663 |
| 30 | 246674211 |
| 31 | 461819857 |
| 32 | 864428716 |
| 33 | 1617723538 |
| 34 | 3026965088 |
| 35 | 5663003895 |
| 36 | 10593269487 |
| 37 | 19813600282 |