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 | 18 |
2 | 2160 |
3 | 423360 |
4 | 99792000 |
5 | 25499650176 |
6 | 6797581959168 |
7 | 1860535606026240 |
8 | 518890571236477440 |
9 | 146835076503772800000 |
10 | 42046646730013562757120 |
11 | 12160617341681775057960960 |
12 | 3547136319516173918512742400 |
13 | 1042325945372157283978798694400 |
14 | 308269259704090665806809006080000 |