n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 54 |
4 | 3750 |
5 | 1009680 |
6 | 1058347920 |
7 | 4375678520640 |
8 | 71934792452208000 |
9 | 4719774805970453006400 |
10 | 1237727595442264073683462080 |
11 | 1298006134163762816201615178698880 |
12 | 5444432200219729912412940250057668378240 |
[1,1,3,54,3750,1009680,1058347920,4375678520640, 71934792452208000,4719774805970453006400, 1237727595442264073683462080, 1298006134163762816201615178698880, 5444432200219729912412940250057668378240] |