Number of (n+1)X(5+1) 0..3 arrays with the maximum plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

A237926

Number of (n+1)X(5+1) 0..3 arrays with the maximum plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

Terms

    a(0) =431640a(1) =13009850a(2) =362996768a(3) =10733520644a(4) =318431976402

External references