A249028 Number of 4X4X...X4 = 4^n arrays of 0's and 1's with exactly one 1 in each row, column, ..., line, ... .
4, 24, 576, 36972288, 6268637952000
Offset: 1
Examples
a(2)=24 because these are the 4X4 0,1 matrices representing the permutations of 4 letters.
Crossrefs
Column 4 of array in A249026.