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 | 1 |
| 2 | 36 |
| 3 | 6588 |
| 4 | 6169500 |
| 5 | 29609340804 |
| 6 | 728465439240612 |
| 7 | 91873868538291559236 |
| 8 | 59398217444060775978706980 |
| 9 | 196856852524443536659406407297548 |