Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 120 |
6 | 464 |
7 | 2274 |
8 | 13236 |
9 | 91760 |
10 | 740562 |
11 | 6541984 |
12 | 65632694 |
13 | 732880076 |
14 | 8995905626 |
15 | 120367234946 |
[1,1,2,6,24,120,464,2274,13236,91760,740562, 6541984,65632694,732880076,8995905626, 120367234946] |