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) |
---|---|
1 | 2 |
2 | 48 |
3 | 25920 |
4 | 522547200 |
5 | 632073093120000 |
6 | 68810005209415680000000 |
7 | 922882872556916481982464000000000 |
8 | 1930928443374224487368323197252403200000000000 |
9 | 848408612299117898787190662782756632189835673600000000000000 |