Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,0 for x=0,1,2,3,4.

A197748

Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,0 for x=0,1,2,3,4.

Terms

    a(0) =8a(1) =186a(2) =4086a(3) =64832a(4) =1345639a(5) =26488736a(6) =517762136a(7) =10253557106a(8) =201303354308

External references