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 | 1 |
3 | 1 |
4 | 2 |
5 | 6 |
6 | 42 |
7 | 924 |
8 | 93324 |
9 | 73912608 |
10 | 909864204480 |
11 | 410599878740916480 |
12 | 20528320742539954765344000 |
13 | 462721784193718931971550165554080000 |
14 | 28136323479948516473366521258111350797954332320000 |