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 | 4 |
| 4 | 6 |
| 5 | 11 |
| 6 | 26 |
| 7 | 46 |
| 8 | 84 |
| 9 | 167 |
| 10 | 313 |
| 11 | 576 |
| 12 | 1086 |
| 13 | 2016 |
| 14 | 3710 |
| 15 | 6876 |
| 16 | 12660 |
| 17 | 23196 |
| 18 | 42542 |
| 19 | 77798 |
| 20 | 141910 |
| 21 | 258648 |
| 22 | 470558 |
| 23 | 854644 |
| 24 | 1550588 |
| 25 | 2809620 |
| 26 | 5084588 |
| 27 | 9192349 |
| 28 | 16601714 |
| 29 | 29953754 |
| 30 | 53997062 |
| 31 | 97257129 |
| 32 | 175033355 |
| 33 | 314771224 |
| 34 | 565664138 |
| 35 | 1015841191 |