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

A305037

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

Terms

    a(0) =16a(1) =8a(2) =13a(3) =26a(4) =43a(5) =109a(6) =319a(7) =718a(8) =1632a(9) =4351a(10) =10773a(11) =25199a(12) =62720a(13) =157051a(14) =379668a(15) =927104a(16) =2297777a(17) =5633013a(18) =13757409a(19) =33842016a(20) =83191131a(21) =203775710a(22) =499991378a(23) =1228342299a(24) =3013570173a(25) =7392226135a(26) =18147245684a(27) =44540437375a(28) =109282630804

External references