A317237 - OEIS

%I #4 Jul 24 2018 10:39:33

%S 64,432,1619,8255,112675,995887,8436662,83084854,788831052,7281591696,

%T 68742470613,650216368377,6104984735010,57455421112954,

%U 541604774316309,5098791053161630,48001554324597290,452093999373189680

%N Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A317238.

%H R. H. Hardin, <a href="/A317237/b317237.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..0..0..0..1..0..0..1. .0..0..0..0..1..1..0. .0..0..0..0..0..0..0

%e ..0..0..0..1..0..0..1. .1..0..0..0..0..0..0. .1..0..0..1..0..0..0

%e ..0..0..0..0..0..0..0. .0..1..0..0..0..0..0. .1..0..0..0..0..0..0

%e ..0..0..1..0..0..1..0. .0..0..0..1..0..1..1. .1..1..0..0..0..0..0

%e ..0..1..0..0..1..0..0. .0..0..0..0..0..0..0. .1..1..0..0..0..1..1

%Y Cf. A317238.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 24 2018