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

A297984

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

Terms

    a(0) =1a(1) =53a(2) =14a(3) =43a(4) =61a(5) =131a(6) =242a(7) =530a(8) =1226a(9) =2701a(10) =5847a(11) =13187a(12) =30316a(13) =68963a(14) =156767a(15) =358341a(16) =819778a(17) =1874460a(18) =4286961a(19) =9812357a(20) =22469334a(21) =51467291a(22) =117908386a(23) =270171681a(24) =619170983a(25) =1419191326a(26) =3253216738a(27) =7458029458a(28) =17098984111

External references