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 | 5 |
| 3 | 21 |
| 4 | 95 |
| 5 | 138 |
| 6 | 420 |
| 7 | 773 |
| 8 | 1747 |
| 9 | 2329 |
| 10 | 4616 |
| 11 | 6456 |
| 12 | 10496 |
| 13 | 12743 |
| 14 | 18710 |
| 15 | 22447 |
| 16 | 29209 |
| 17 | 32075 |
| 18 | 38631 |
| 19 | 41150 |
| 20 | 44442 |
| 21 | 44915 |
| 22 | 44025 |
| 23 | 42891 |
| 24 | 37872 |
| 25 | 35177 |
| 26 | 28462 |
| 27 | 24722 |
| 28 | 18033 |
| 29 | 15169 |
| 30 | 9903 |
| 31 | 7611 |
| 32 | 4220 |
| 33 | 3227 |
| 34 | 1599 |
| 35 | 959 |
| 36 | 387 |
| 37 | 283 |
| 38 | 87 |
| 39 | 31 |
| 40 | 4 |
| 41 | 1 |