%I #4 Nov 13 2016 06:36:44

%S 0,254,11675,571214,28772962,1459438050,73654449669,3717851037151,

%T 187699707259842,9476189368415446,478407914745643442,

%U 24152577356822109201,1219351305393469653908,61559372518202872739319

%N Number of nX6 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.

%C Column 6 of A278157.

%H R. H. Hardin, <a href="/A278155/b278155.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A278157.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 13 2016