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 | 7 |
| 2 | 6426 |
| 3 | 35224 |
| 4 | 2077992 |
| 5 | 3610893055 |
| 6 | 14209771072 |
| 7 | 118896888880 |
| 8 | 6400213601782 |
| 9 | 22535310978496008 |
| 10 | 22535310978496008 |
| 11 | 2418562185097611420000 |
| 12 | 2462278542548750181849600 |