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 | 88 |
| 3 | 12445 |
| 4 | 1767052 |
| 5 | 250908889 |
| 6 | 35627295136 |
| 7 | 5058825000373 |
| 8 | 718317522757780 |
| 9 | 101996029406604337 |
| 10 | 14482717858215058024 |
| 11 | 2056443939837131635021 |
| 12 | 292000556739014477114908 |