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 | 0 |
| 2 | 1 |
| 3 | 5 |
| 4 | 13 |
| 5 | 30 |
| 6 | 57 |
| 7 | 101 |
| 8 | 164 |
| 9 | 255 |
| 10 | 377 |
| 11 | 540 |
| 12 | 748 |
| 13 | 1014 |
| 14 | 1342 |
| 15 | 1747 |
| 16 | 2233 |
| 17 | 2818 |
| 18 | 3507 |
| 19 | 4319 |
| 20 | 5260 |
| 21 | 6351 |
| 22 | 7599 |
| 23 | 9027 |
| 24 | 10642 |
| 25 | 12470 |
| 26 | 14518 |
| 27 | 16814 |
| 28 | 19366 |
| 29 | 22204 |
| 30 | 25337 |
| 31 | 28796 |
| 32 | 32591 |
| 33 | 36756 |
| 34 | 41301 |
| 35 | 46262 |
| 36 | 51649 |
| 37 | 57501 |
| 38 | 63829 |
| 39 | 70673 |
| 40 | 78045 |
| 41 | 85987 |
| 42 | 94512 |