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

A316425

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

Terms

    a(0) =13a(1) =105a(2) =148a(3) =640a(4) =2861a(5) =8916a(6) =31433a(7) =121028a(8) =417457a(9) =1475614a(10) =5432803a(11) =19246569a(12) =68385710a(13) =247600789a(14) =884288193a(15) =3153623933a(16) =11341724622a(17) =40601573283a(18) =145110168322a(19) =520483754072

External references