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 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 8 |
| 6 | 13 |
| 7 | 24 |
| 8 | 44 |
| 9 | 81 |
| 10 | 151 |
| 11 | 284 |
| 12 | 536 |
| 13 | 1012 |
| 14 | 1910 |
| 15 | 3606 |
| 16 | 6818 |
| 17 | 12922 |
| 18 | 24561 |
| 19 | 46821 |
| 20 | 89509 |
| 21 | 171580 |
| 22 | 329760 |
| 23 | 635357 |
| 24 | 1227025 |
| 25 | 2374558 |
| 26 | 4602962 |
| 27 | 8933547 |
| 28 | 17352195 |
| 29 | 33718878 |
| 30 | 65534953 |
| 31 | 127379679 |
| 32 | 247598613 |
| 33 | 481334017 |
| 34 | 935936312 |
| 35 | 1820567772 |
| 36 | 3543113588 |