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 | 8 |
| 2 | 5157 |
| 3 | 256012 |
| 4 | 9746876 |
| 5 | 362750400 |
| 6 | 13841186359 |
| 7 | 549755617280 |
| 8 | 22876792100667 |
| 9 | 999999999400000 |
| 10 | 45949729862605855 |
| 11 | 2218611106738944000 |
| 12 | 112455406951955165371 |
| 13 | 5976303958948911170240 |
| 14 | 332525673007965083334375 |