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 | 3 |
| 3 | 6 |
| 4 | 14 |
| 5 | 26 |
| 6 | 52 |
| 7 | 95 |
| 8 | 177 |
| 9 | 318 |
| 10 | 572 |
| 11 | 1012 |
| 12 | 1784 |
| 13 | 3117 |
| 14 | 5423 |
| 15 | 9382 |
| 16 | 16170 |
| 17 | 27758 |
| 18 | 47500 |
| 19 | 81035 |
| 20 | 137885 |
| 21 | 234046 |
| 22 | 396408 |
| 23 | 670056 |
| 24 | 1130544 |
| 25 | 1904281 |
| 26 | 3202587 |
| 27 | 5378310 |
| 28 | 9020102 |
| 29 | 15109058 |
| 30 | 25279012 |
| 31 | 42248567 |
| 32 | 70537929 |
| 33 | 117657342 |
| 34 | 196076468 |
| 35 | 326485852 |