Number of nX2 0..1 arrays with every element equal to 2, 3 or 5 king-move adjacent elements, with upper left element zero.

A297870

Number of nX2 0..1 arrays with every element equal to 2, 3 or 5 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =1a(2) =3a(3) =2a(4) =11a(5) =13a(6) =34a(7) =65a(8) =123a(9) =266a(10) =499a(11) =1037a(12) =2042a(13) =4089a(14) =8219a(15) =16338a(16) =32827a(17) =65485a(18) =131090a(19) =262193a(20) =524155a(21) =1048794a(22) =2096899a(23) =4194509a(24) =8388586a(25) =16776937a(26) =33555099a(27) =67107874a(28) =134218827a(29) =268434701

External references