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 | 3 |
3 | 52 |
4 | 1320 |
5 | 43440 |
6 | 1722712 |
7 | 79186272 |
8 | 4118457732 |
9 | 238450436416 |
10 | 15189543467688 |
11 | 1055122226778720 |
12 | 79359687454230296 |
13 | 6425540170275120528 |
14 | 557306222539540276176 |
15 | 51558846502494563714080 |
16 | 5068865533417385007925076 |
17 | 527798429103621760357553448 |
18 | 58032815995114574483132149504 |