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A207773 Number of n X 7 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically.

%I A207773 #9 Aug 04 2025 11:37:41
%S A207773 42,1764,8928,43260,240346,1246206,6513576,35632160,198768426,
%T A207773 1120451746,6383202712,36626389034,211006949114,1219147066568,
%U A207773 7059475772964,40937679494772,237631015514224,1380398824589554,8023019135887764
%N A207773 Number of n X 7 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically.
%C A207773 Column 7 of A207774.
%H A207773 R. H. Hardin, <a href="/A207773/b207773.txt">Table of n, a(n) for n = 1..210</a>
%e A207773 Some solutions for n=4
%e A207773 ..1..1..0..1..0..0..1....1..0..0..1..1..0..1....0..0..1..1..0..1..1
%e A207773 ..1..1..0..1..1..0..0....1..1..0..0..1..0..0....0..1..0..1..0..1..1
%e A207773 ..1..1..0..0..1..0..0....1..1..0..1..0..0..1....0..1..1..0..0..1..1
%e A207773 ..1..0..0..1..1..0..0....0..1..0..1..1..0..1....0..0..1..0..0..1..0
%Y A207773 Cf. A207774.
%K A207773 nonn
%O A207773 1,1
%A A207773 _R. H. Hardin_, Feb 20 2012