Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 20 |
4 | 684 |
5 | 84864 |
6 | 40783952 |
7 | 78562790592 |
8 | 613738473236928 |
9 | 19459342629747109248 |
10 | 2496653806284295319455488 |
11 | 1291725241770954532057108070400 |
12 | 2687434858858114549619735481969223680 |
[1,2,20,684,84864,40783952,78562790592, 613738473236928,19459342629747109248, 2496653806284295319455488, 1291725241770954532057108070400, 2687434858858114549619735481969223680] |