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) |
|---|---|
| 0 | 0 |
| 1 | 8 |
| 2 | 768 |
| 3 | 30720 |
| 4 | 917504 |
| 5 | 23592960 |
| 6 | 553648128 |
| 7 | 12213813248 |
| 8 | 257698037760 |
| 9 | 5257039970304 |
| 10 | 104453604638720 |
| 11 | 2031897488130048 |
| 12 | 38843546786070528 |
| 13 | 731834939447705600 |
| 14 | 13618885273168379904 |
| 15 | 250760427251989217280 |
| 16 | 4574792530279968800768 |
| 17 | 82788987402808467652608 |