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) |
---|---|
0 | 1 |
1 | 1680 |
2 | 32432400 |
3 | 999456057600 |
4 | 37905932634570000 |
5 | 1617318175088527591680 |
6 | 74451445170005824874553600 |
7 | 3614146643656788883257309696000 |
8 | 182458061523203642337177421198794000 |
9 | 9493111901274733909567003010522405280000 |
10 | 505860213332178847817809654781948251947782400 |