Sum of neighbor maps: number of n X 5 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal and vertical neighbors in a random 0..3 n X 5 array.

A220804

Sum of neighbor maps: number of n X 5 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal and vertical neighbors in a random 0..3 n X 5 array.