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 | 4 |
| 2 | 30 |
| 3 | 104 |
| 4 | 245 |
| 5 | 485 |
| 6 | 837 |
| 7 | 1339 |
| 8 | 1998 |
| 9 | 2858 |
| 10 | 3920 |
| 11 | 5234 |
| 12 | 6795 |
| 13 | 8659 |
| 14 | 10815 |
| 15 | 13325 |
| 16 | 16172 |
| 17 | 19424 |
| 18 | 23058 |
| 19 | 27148 |
| 20 | 31665 |
| 21 | 36689 |
| 22 | 42185 |
| 23 | 48239 |
| 24 | 54810 |
| 25 | 61990 |
| 26 | 69732 |
| 27 | 78134 |
| 28 | 87143 |
| 29 | 96863 |
| 30 | 107235 |
| 31 | 118369 |
| 32 | 130200 |
| 33 | 142844 |
| 34 | 156230 |
| 35 | 170480 |
| 36 | 185517 |
| 37 | 201469 |
| 38 | 218253 |