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 | 12 |
| 5 | 20 |
| 6 | 32 |
| 7 | 52 |
| 8 | 84 |
| 9 | 136 |
| 10 | 220 |
| 11 | 356 |
| 12 | 564 |
| 13 | 904 |
| 14 | 1448 |
| 15 | 2320 |
| 16 | 3684 |
| 17 | 5872 |
| 18 | 9376 |
| 19 | 14960 |
| 20 | 23688 |
| 21 | 37652 |
| 22 | 59912 |
| 23 | 95316 |
| 24 | 150744 |
| 25 | 239080 |
| 26 | 379528 |
| 27 | 602424 |
| 28 | 951788 |
| 29 | 1507136 |
| 30 | 2388252 |
| 31 | 3784344 |
| 32 | 5973988 |
| 33 | 9447880 |
| 34 | 14950796 |
| 35 | 23658540 |
| 36 | 37321752 |
| 37 | 58965260 |
| 38 | 93206864 |
| 39 | 147333080 |
| 40 | 232286272 |