Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.

A298650

Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =3a(1) =166a(2) =424a(3) =1446a(4) =5124a(5) =18271a(6) =62544a(7) =215035a(8) =739962a(9) =2537660a(10) =8744241a(11) =30188614a(12) =104165837a(13) =359665578a(14) =1242411171a(15) =4292458468a(16) =14835586385a(17) =51288707980a(18) =177340234374a(19) =613288580624

External references