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 | 1 |
1 | 0 |
2 | 144 |
3 | 4032 |
4 | 219024 |
5 | 12942720 |
6 | 887135040 |
7 | 67057079040 |
8 | 5484251057040 |
9 | 477369708721920 |
10 | 43704143706754944 |
11 | 4170816570389736960 |
12 | 412062922497680790336 |
13 | 41920366214226928716288 |
14 | 4372905161028532447478016 |