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 | 4 |
| 4 | 8 |
| 5 | 16 |
| 6 | 34 |
| 7 | 71 |
| 8 | 154 |
| 9 | 341 |
| 10 | 768 |
| 11 | 1765 |
| 12 | 4134 |
| 13 | 9838 |
| 14 | 23766 |
| 15 | 58226 |
| 16 | 144353 |
| 17 | 361899 |
| 18 | 916152 |
| 19 | 2339912 |
| 20 | 6023447 |
| 21 | 15617254 |
| 22 | 40752401 |
| 23 | 106967331 |
| 24 | 282267774 |
| 25 | 748500921 |
| 26 | 1993727506 |
| 27 | 5332497586 |
| 28 | 14316894271 |
| 29 | 38574473086 |
| 30 | 104273776038 |
| 31 | 282733466684 |
| 32 | 768809041078 |