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 | 0 |
| 2 | 7 |
| 3 | 56 |
| 4 | 609 |
| 5 | 6193 |
| 6 | 62621 |
| 7 | 624618 |
| 8 | 6250491 |
| 9 | 62500734 |
| 10 | 625010592 |
| 11 | 6250006866 |
| 12 | 62500188610 |