Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 2 |
2 | 2 |
3 | 6 |
4 | 30 |
5 | 210 |
6 | 30030 |
7 | 223092870 |
8 | 13082761331670030 |
9 | 3217644767340672907899084554130 |
[2,2,6,30,210,30030,223092870,13082761331670030, 3217644767340672907899084554130] |