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 | 1 |
2 | 1 |
3 | 2 |
4 | 48 |
5 | 30240 |
6 | 1596672000 |
7 | 18172937502720000 |
8 | 122457316443772566896640000 |
9 | 1284319496829094129116119090331648000000 |
10 | 55603466527142141932748234118927499493985767915520000000 |
11 | 26110840958525805673462196263372614726154694067746586937781385166848000000000 |