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Number of nX7 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.
1

%I #4 Nov 13 2016 16:10:39

%S 0,436,27692,2419304,209105063,18218081491,1580935773900,

%T 137264328312479,11916307472109969,1034507705866421424,

%U 89809589733457630488,7796723202173710849973,676863948079571480111201

%N Number of nX7 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.

%C Column 7 of A278177.

%H R. H. Hardin, <a href="/A278176/b278176.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A278177.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 13 2016