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 | 64 |
3 | 46080 |
4 | 111974400 |
5 | 662171811840 |
6 | 310393036800000 |
7 | 7230916185292800 |
8 | 108238138194410864640000 |
9 | 23835710455777670400935290994688000000000 |
10 | 1104077556971139123493322971152384000000000 |