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

A303967

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

Terms

    a(0) =13a(1) =105a(2) =101a(3) =374a(4) =1014a(5) =2597a(6) =6264a(7) =16205a(8) =40375a(9) =105045a(10) =275549a(11) =708306a(12) =1813784a(13) =4676889a(14) =12006087a(15) =30873413a(16) =79642801a(17) =205060029a(18) =527458705a(19) =1358058709a(20) =3495384673a(21) =8994704208a(22) =23156730671a(23) =59612144961a(24) =153429505829a(25) =394939734350

External references