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 | 15015 |
| 2 | 19635 |
| 3 | 21945 |
| 4 | 25935 |
| 5 | 33495 |
| 6 | 1752135 |
| 7 | 1915095 |
| 8 | 1915305 |
| 9 | 119104635 |
| 10 | 134877405 |