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

A237334

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

Terms

    a(0) =1980a(1) =41220a(2) =821234a(3) =17627820a(4) =380945760a(5) =8406402902a(6) =187274820848

External references