Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 4 |
4 | 13 |
5 | 72 |
6 | 390 |
7 | 2880 |
8 | 21672 |
9 | 201600 |
10 | 1935360 |
11 | 21772800 |
12 | 253756800 |
13 | 3353011200 |
14 | 45924278400 |
[1,1,4,13,72,390,2880,21672,201600,1935360, 21772800,253756800,3353011200,45924278400] |