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 | 7 |
3 | 168 |
4 | 10080 |
5 | 1401120 |
6 | 303730560 |
7 | 109469465280 |
8 | 56335746378240 |
9 | 41263790481123840 |
10 | 41372254858231987200 |
11 | 55175243131277553715200 |
12 | 95478523289749232323891200 |
13 | 209996618265179127555767193600 |