Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

A299605

Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =5a(1) =573a(2) =1274a(3) =4648a(4) =18273a(5) =75970a(6) =292458a(7) =1146690a(8) =4552661a(9) =17798866a(10) =69721893a(11) =274946713a(12) =1082756867a(13) =4261530095a(14) =16797596354a(15) =66211469842a(16) =260987419623

External references