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 | 1 |
| 1 | 112 |
| 2 | 7392 |
| 3 | 376320 |
| 4 | 16380672 |
| 5 | 642453504 |
| 6 | 23410376704 |
| 7 | 808210923520 |
| 8 | 26787271999488 |
| 9 | 860325833342976 |
| 10 | 26956901684084736 |
| 11 | 828217683974553600 |
| 12 | 25047119070415028224 |
| 13 | 747831252926309859328 |
| 14 | 22095179333791056396288 |