Number of 5Xn 0..1 arrays with every element equal to 0, 1 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.

A301888

Number of 5Xn 0..1 arrays with every element equal to 0, 1 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =16a(1) =89a(2) =289a(3) =673a(4) =1961a(5) =8829a(6) =33853a(7) =122356a(8) =439781a(9) =1684392a(10) =6453460a(11) =24681438a(12) =94429284a(13) =362493684a(14) =1391521355a(15) =5344223744a(16) =20538410002a(17) =78964625841a(18) =303575679612

External references