Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,1,3,0,4 for x=0,1,2,3,4.

A196695

Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,1,3,0,4 for x=0,1,2,3,4.

Terms

    a(0) =13a(1) =890a(2) =55431a(3) =2810070a(4) =155701871a(5) =8471917814a(6) =465819437152

External references