Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,3,4,1,0 for x=0,1,2,3,4.

A196983

Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,3,4,1,0 for x=0,1,2,3,4.

Terms

    a(0) =1a(1) =1a(2) =10a(3) =113a(4) =4244a(5) =389518a(6) =93411402a(7) =60168452277

External references