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 | 3 |
| 5 | 6 |
| 6 | 12 |
| 7 | 21 |
| 8 | 34 |
| 9 | 54 |
| 10 | 82 |
| 11 | 120 |
| 12 | 174 |
| 13 | 244 |
| 14 | 337 |
| 15 | 458 |
| 16 | 613 |
| 17 | 808 |
| 18 | 1056 |
| 19 | 1361 |
| 20 | 1738 |
| 21 | 2200 |
| 22 | 2759 |
| 23 | 3431 |
| 24 | 4240 |
| 25 | 5198 |
| 26 | 6333 |
| 27 | 7670 |
| 28 | 9235 |
| 29 | 11056 |
| 30 | 13175 |
| 31 | 15618 |
| 32 | 18432 |
| 33 | 21660 |
| 34 | 25347 |
| 35 | 29543 |
| 36 | 34312 |
| 37 | 39702 |
| 38 | 45786 |
| 39 | 52633 |
| 40 | 60315 |
| 41 | 68910 |
| 42 | 78515 |
| 43 | 89206 |
| 44 | 101092 |
| 45 | 114276 |
| 46 | 128866 |
| 47 | 144978 |
| 48 | 162750 |
| 49 | 182298 |