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 | 23 |
| 3 | 39 |
| 4 | 116 |
| 5 | 175 |
| 6 | 306 |
| 7 | 393 |
| 8 | 578 |
| 9 | 966 |
| 10 | 1054 |
| 11 | 1483 |
| 12 | 1907 |
| 13 | 2116 |
| 14 | 2608 |
| 15 | 3251 |
| 16 | 3980 |
| 17 | 4398 |
| 18 | 5350 |
| 19 | 5967 |
| 20 | 6469 |
| 21 | 7450 |
| 22 | 8336 |
| 23 | 9624 |
| 24 | 11197 |
| 25 | 12084 |
| 26 | 12796 |
| 27 | 13946 |
| 28 | 14700 |
| 29 | 15916 |
| 30 | 19642 |
| 31 | 21058 |
| 32 | 22795 |
| 33 | 23482 |
| 34 | 27079 |
| 35 | 28127 |
| 36 | 30116 |
| 37 | 32833 |
| 38 | 34643 |
| 39 | 37530 |
| 40 | 39819 |