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 | 14833 |
| 1 | 148329 |
| 2 | 1616786 |
| 3 | 19104774 |
| 4 | 243511704 |
| 5 | 3332744760 |
| 6 | 48773612880 |
| 7 | 760381337520 |
| 8 | 12585067447680 |
| 9 | 220448163358080 |
| 10 | 4075249496774400 |
| 11 | 79300508301907200 |
| 12 | 1620482929875532800 |
| 13 | 34699018357638835200 |
| 14 | 777011144137311283200 |
| 15 | 18162481202288527104000 |