n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 36 |
4 | 576 |
5 | 207360000 |
6 | 268738560000 |
7 | 416336312719673760153600000000 |
8 | 6984964247141514123629140377600000000 |
9 | 300679807141675805997423113304381849600000000 |
[1,2,36,576,207360000,268738560000, 416336312719673760153600000000, 6984964247141514123629140377600000000, 300679807141675805997423113304381849600000000] |