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 | 1 |
2 | 1 |
3 | 4 |
4 | 36 |
5 | 900 |
6 | 57600 |
7 | 9734400 |
8 | 4292870400 |
9 | 4962558182400 |
10 | 15011738501760000 |
11 | 118907980672440960000 |
12 | 2465675887223735746560000 |
13 | 133859078241489389944995840000 |
14 | 19025256931384645503492313743360000 |
15 | 7079298104168226591849489943904256000000 |
16 | 6896432754839457130755425769163265163264000000 |