Number of nX7 0..1 arrays with every element equal to 0, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

A298916

Number of nX7 0..1 arrays with every element equal to 0, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =8a(2) =8a(3) =9a(4) =15a(5) =24a(6) =40a(7) =76a(8) =141a(9) =277a(10) =570a(11) =1171a(12) =2441a(13) =5157a(14) =10913a(15) =23193a(16) =49468a(17) =105598a(18) =225691a(19) =482849a(20) =1033370a(21) =2212340a(22) =4737746a(23) =10147163a(24) =21735151a(25) =46560372a(26) =99744293a(27) =213684681a(28) =457793103a(29) =980778481

External references