Number of (n+1)X(5+1) 0..3 arrays with the maximum plus the minimum of every 2X2 subblock equal.

A237155

Number of (n+1)X(5+1) 0..3 arrays with the maximum plus the minimum of every 2X2 subblock equal.

Terms

    a(0) =912848a(1) =367558796a(2) =122764464080

External references