Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 6 |
5 | 390 |
6 | 13860 |
7 | 23892750 |
8 | 80215013340 |
9 | 9851050382488595280 |
10 | 694858921540030774800 |
11 | 344551675909308833470705200 |
12 | 1955049249155875335764556836119978483886656454640 |
[1,1,1,3,6,390,13860,23892750,80215013340, 9851050382488595280,694858921540030774800, 344551675909308833470705200, 1955049249155875335764556836119978483886656454640] |