Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 2 |
4 | 3 |
5 | 6 |
6 | 50 |
7 | 307 |
8 | 2329 |
9 | 19907 |
10 | 181263 |
11 | 1736542 |
12 | 19044663 |
13 | 220730823 |
14 | 2845615949 |
15 | 39412442640 |
[0,0,2,3,6,50,307,2329,19907,181263,1736542, 19044663,220730823,2845615949,39412442640] |