Number of (n+1)X(6+1) 0..3 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal.

A237217

Number of (n+1)X(6+1) 0..3 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal.

Terms

    a(0) =523218a(1) =11208306a(2) =245347820a(3) =5924283662a(4) =145427157438

External references