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 | 1 |
| 3 | 4 |
| 4 | 36 |
| 5 | 676 |
| 6 | 961 |
| 7 | 4356 |
| 8 | 15876 |
| 9 | 24336 |
| 10 | 391876 |
| 11 | 423801 |
| 12 | 571536 |
| 13 | 646416 |
| 14 | 9771876 |
| 15 | 10732176 |
| 16 | 14107536 |
| 17 | 81974916 |
| 18 | 244171876 |
| 19 | 248094001 |
| 20 | 264908176 |
| 21 | 339812356 |
| 22 | 351787536 |
| 23 | 1061326084 |
| 24 | 1167042244 |
| 25 | 2181263616 |
| 26 | 6103671876 |