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 | 1 |
2 | 1 |
3 | 10 |
4 | 900 |
5 | 647520 |
6 | 4779786496 |
7 | 478835488935936 |
8 | 751143210488064000000 |
9 | 21219054324352295044090429440 |
10 | 12058466910590476741745310502905446400 |
11 | 152894149853918130236030979823862137011289718784 |
12 | 47493814580095591414083394894826323264052517057498653392896 |