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 | 6 |
3 | 15 |
4 | 60 |
5 | 45 |
6 | 990 |
7 | 6435 |
8 | 10296 |
9 | 43758 |
10 | 4157010 |
11 | 2078505 |
12 | 191222460 |
13 | 239028075 |
14 | 1434168450 |
15 | 20795442525 |
16 | 10314539492400 |
17 | 2578634873100 |
18 | 1289317436550 |
19 | 23852372576175 |
20 | 95409490304700 |
21 | 977947275623175 |
22 | 84103465703593050 |