A316754 - OEIS

%I #4 Jul 12 2018 11:44:23

%S 3,27,79,37,642,3366,4397,25154,137845,309382,1206207,5904494,

%T 17498116,61651672,267672528,908607719,3166116692,12672266364,

%U 45619974681,161089019345,615680573625,2264002238286,8118105866800,30312478695463

%N Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A316757.

%H R. H. Hardin, <a href="/A316754/b316754.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316757.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 12 2018