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

A237085

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

Terms

    a(0) =3274a(1) =17636a(2) =96104a(3) =578486a(4) =3497586a(5) =22239606a(6) =141915177a(7) =938113698a(8) =6226900258a(9) =42501875752a(10) =291504044435

External references