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) |
---|---|
3 | 40 |
4 | 2100 |
5 | 324000 |
6 | 117771500 |
7 | 86640153600 |
8 | 115851776040000 |
9 | 260111401804800000 |
10 | 922852527136155000000 |
11 | 4931966428685936640000000 |
12 | 38193820496218904209973280000 |
13 | 415101787718859995456102400000000 |