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 | 74 |
| 2 | 834 |
| 3 | 80940 |
| 4 | 809400 |
| 5 | 833334 |
| 6 | 7414114 |
| 7 | 7422694 |
| 8 | 7539694 |
| 9 | 8094000 |
| 10 | 80940000 |
| 11 | 809400000 |
| 12 | 8094000000 |
| 13 | 80940000000 |
| 14 | 83335786566 |
| 15 | 809400000000 |
| 16 | 7539682539694 |
| 17 | 8094000000000 |
| 18 | 80940000000000 |