Number of (n+1)X(3+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 8 and no adjacent elements equal.

A233923

Number of (n+1)X(3+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 8 and no adjacent elements equal.

Terms

    a(0) =2792a(1) =32496a(2) =405004a(3) =5389600a(4) =73564176a(5) =1020495508a(6) =14257498880a(7) =200008938060

External references