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 | 120 |
2 | 63900 |
3 | 63148000 |
4 | 85136103750 |
5 | 137629764435024 |
6 | 250331826090382280 |
7 | 494436455370401985600 |
8 | 1037731227148399567352625 |
9 | 2281874234819846601146115000 |
10 | 5205960892339635531670022801628 |
11 | 12237148815599682784939438806708960 |
12 | 29483782935554473122496294160376815950 |