n | a(n) |
---|---|
1 | 6 |
2 | 60 |
3 | 402 |
4 | 2520 |
5 | 14502 |
6 | 81972 |
7 | 444930 |
8 | 2395632 |
9 | 12587214 |
10 | 65860188 |
11 | 339003810 |
12 | 1740598344 |
13 | 8833106358 |
14 | 44751148932 |
[6,60,402,2520,14502,81972,444930,2395632, 12587214,65860188,339003810,1740598344,8833106358, 44751148932] |