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 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 7 |
| 5 | 28 |
| 6 | 85 |
| 7 | 217 |
| 8 | 497 |
| 9 | 1036 |
| 10 | 2044 |
| 11 | 3787 |
| 12 | 6797 |
| 13 | 11648 |
| 14 | 19558 |
| 15 | 31703 |
| 16 | 50645 |
| 17 | 78674 |
| 18 | 120932 |
| 19 | 181664 |
| 20 | 270600 |
| 21 | 395682 |
| 22 | 574329 |
| 23 | 820834 |
| 24 | 1166109 |
| 25 | 1634668 |
| 26 | 2279242 |
| 27 | 3142903 |
| 28 | 4312063 |
| 29 | 5859616 |
| 30 | 7927745 |
| 31 | 10635129 |
| 32 | 14209328 |
| 33 | 18846744 |
| 34 | 24900807 |
| 35 | 32688145 |
| 36 | 42761047 |