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

A196785

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

Terms

    a(0) =1a(1) =99a(2) =1351a(3) =17175a(4) =289761a(5) =4216301a(6) =65282256a(7) =993629439a(8) =15177736646a(9) =231779144185

External references