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 | 1680 |
2 | 1224720 |
3 | 505659840 |
4 | 129351117840 |
5 | 21060890131680 |
6 | 2160822606183360 |
7 | 134717272385473920 |
8 | 4957295423282269200 |
9 | 119288258695393463760 |
10 | 2051465861242156554720 |
11 | 26894077218337493424960 |
12 | 281803532524538902825920 |