A316581 - OEIS

%I #4 Jul 07 2018 08:34:23

%S 5,1145,5936,98828,1216428,15492767,209344758,2702476568,35886237100,

%T 470296149750,6190387293318,81442978266835,1070806152120760,

%U 14088486439428683,185281944875077216,2437189858513630771

%N Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A316583.

%H R. H. Hardin, <a href="/A316581/b316581.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316583.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 07 2018