Number of nX4 array permutations with each element making a single king move.

A189181

Number of nX4 array permutations with each element making a single king move.

Terms

    a(0) =1a(1) =185a(2) =4081a(3) =251720a(4) =10599449a(5) =524539713a(6) =24377674329

External references