Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock equal.

A237086

Number of (n+1)X(4+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) =12590a(1) =84918a(2) =578486a(3) =4428988a(4) =33954418a(5) =276471206a(6) =2256243854a(7) =19251013930a(8) =165074810168

External references