Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the minimum of every 2X2 subblock equal.

A237152

Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the minimum of every 2X2 subblock equal.

Terms

    a(0) =1868a(1) =37652a(2) =762508a(3) =16547988a(4) =367558796a(5) =8327731884a(6) =190715003652

External references