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) |
---|---|
2 | 12 |
3 | 1440 |
4 | 907200 |
5 | 101606400 |
6 | 100590336000 |
7 | 172613016576000 |
8 | 31415569016832000 |
9 | 256351043177349120000 |
10 | 4471274895099323351040000 |
11 | 8495422300688714366976000000 |
12 | 90272357367118278863486976000000 |