Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 23 |
4 | 220 |
5 | 2817 |
6 | 43962 |
7 | 955469 |
8 | 22795944 |
9 | 710973203 |
10 | 23868716916 |
[1,5,23,220,2817,43962,955469,22795944,710973203, 23868716916] |