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) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 4 |
| 6 | 7 |
| 7 | 14 |
| 8 | 22 |
| 9 | 41 |
| 10 | 70 |
| 11 | 133 |
| 12 | 261 |
| 13 | 433 |
| 14 | 800 |
| 15 | 1468 |
| 16 | 2883 |
| 17 | 5445 |
| 18 | 10033 |
| 19 | 19388 |
| 20 | 36902 |
| 21 | 70168 |
| 22 | 134005 |
| 23 | 256771 |
| 24 | 493088 |
| 25 | 947153 |
| 26 | 1822376 |
| 27 | 3514806 |
| 28 | 6780667 |
| 29 | 13103439 |
| 30 | 25351723 |
| 31 | 49085715 |
| 32 | 95166843 |
| 33 | 184656849 |
| 34 | 358622060 |
| 35 | 697126872 |