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) |
---|---|
2 | 1 |
3 | 28 |
4 | 960 |
5 | 43200 |
6 | 2520000 |
7 | 186278400 |
8 | 17069875200 |
9 | 1902071808000 |
10 | 253487646720000 |
11 | 39833773056000000 |
12 | 7291173820170240000 |
13 | 1538106259064094720000 |
14 | 370502654756909875200000 |
15 | 101080724272141565952000000 |
16 | 31008222182732149555200000000 |
17 | 10627137906465962295558144000000 |