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 | 3 |
2 | 30 |
3 | 1080 |
4 | 146880 |
5 | 77552640 |
6 | 161309491200 |
7 | 1331771159347200 |
8 | 43809944057885491200 |
9 | 5753472333233985788313600 |
10 | 3019422280481195741706977280000 |
11 | 6335279362770913356551778761441280000 |