Number of 4Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

A303104

Number of 4Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =34a(2) =486a(3) =4667a(4) =58160a(5) =709333a(6) =8650205a(7) =105436196a(8) =1286046720a(9) =15685227253a(10) =191303245493

External references