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 | 2 |
3 | 24 |
4 | 1152 |
5 | 1474560 |
6 | 117413668454400 |
7 | 193003573558876719588311040000 |
8 | 74500758812993473612938854416966977838930799571763200000000 |
9 | 11100726127423649454784549321327362347631758176882955145554591521918123315624957195621435513013513748480000000000000000 |