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

A236975

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

Terms

    a(0) =6024a(1) =76212a(2) =898820a(3) =11850502a(4) =151656752a(5) =2025835812a(6) =26630922346a(7) =357532653542

External references