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) |
---|---|
4 | 1 |
5 | 220 |
6 | 48720 |
7 | 14463680 |
8 | 5762556800 |
9 | 3000655257600 |
10 | 1987324218880000 |
11 | 1634736979972096000 |
12 | 1636859558116823040000 |
13 | 1961447726093804748800000 |
14 | 2772502956616965206835200000 |
15 | 4565871212782705024303104000000 |
16 | 8667353356325850744087642112000000 |
17 | 18789301668434870837372923150336000000 |