Number of nX4 array permutations with each element moving one space diagonally, horizontally or vertically.

A189350

Number of nX4 array permutations with each element moving one space diagonally, horizontally or vertically.

Terms

    a(0) =1a(1) =45a(2) =557a(3) =12592a(4) =237297a(5) =4791913a(6) =94635005a(7) =1883785285a(8) =37399042560a(9) =743166198493

External references