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%I #4 Aug 15 2018 13:12:38
%S 8,3437,156846,8929364,479322719,26085599617,1415459855958,
%T 76853282341918,4172233315256556,226510081564552681,
%U 12297129345031936573,667606422952950882889,36244085742172846775059,1967677047744653756690408
%N Number of nX7 0..1 arrays with every element unequal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
%C Column 7 of A318068.
%H R. H. Hardin, <a href="/A318067/b318067.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..0..0..0..0..1. .0..1..0..0..1..1..0. .0..1..0..0..0..0..1
%e ..0..0..0..1..1..0..1. .0..0..0..1..1..1..0. .0..0..0..1..1..0..1
%e ..0..0..0..1..0..1..0. .0..0..0..1..0..0..1. .0..0..0..1..1..0..0
%e ..1..0..0..1..0..1..1. .1..0..0..1..0..1..1. .1..0..1..1..1..0..1
%e ..0..0..1..1..0..0..0. .0..1..1..1..0..1..0. .0..0..1..0..0..1..0
%Y Cf. A318068.
%K nonn
%O 1,1
%A _R. H. Hardin_, Aug 15 2018