Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

A317427

Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =13a(1) =105a(2) =148a(3) =640a(4) =2891a(5) =9116a(6) =32359a(7) =125832a(8) =439409a(9) =1569243a(10) =5838001a(11) =20921309a(12) =75145761a(13) =275012020a(14) =993320053a(15) =3581537950a(16) =13021568490a(17) =47138154809a(18) =170339377429a(19) =617708630989

External references