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 | 53542288800 |
| 2 | 67154527440 |
| 3 | 67509842400 |
| 4 | 87113426400 |
| 5 | 87502615200 |
| 6 | 86133247200 |
| 7 | 86133247200 |
| 8 | 86133247200 |
| 9 | 98471252880 |