n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 288 |
4 | 1105920 |
5 | 445906944000 |
6 | 30851909057249280000 |
7 | 540013176648715369394995200000 |
8 | 3299903381977999900396941913809223680000000 |
9 | 9276369213749813701818662527515163802639831924736000000000 |
[1,4,288,1105920,445906944000, 30851909057249280000, 540013176648715369394995200000, 3299903381977999900396941913809223680000000, 92763692137498137018186625275151638026398319247360\ 00000000] |