Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 3 |
3 | 15 |
4 | 42 |
5 | 3988 |
6 | 43604 |
7 | 1396674 |
8 | 331807728 |
9 | 22368384180 |
10 | 4961341851222 |
[0,3,15,42,3988,43604,1396674,331807728, 22368384180,4961341851222] |