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 | 4 |
2 | 60 |
3 | 1200 |
4 | 27300 |
5 | 668304 |
6 | 17153136 |
7 | 455083200 |
8 | 12372574500 |
9 | 342766138000 |
10 | 9638583800560 |
11 | 274341178587840 |
12 | 7887308884400400 |
13 | 228685287180840000 |
14 | 6678543795015960000 |
15 | 196260140322869011200 |
16 | 5798873833602270315300 |
17 | 172160337343624495866000 |