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A207912 Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically.

%I A207912 #7 Jul 22 2025 20:59:03
%S A207912 25,625,2625,11025,110775,1113025,6835345,41977441,336253621,
%T A207912 2693506201,18577402747,128130350209,960194962333,7195597016521,
%U A207912 51458156348129,367994740209721,2701833829557059,19836984730756561,143485534654475891
%N A207912 Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically.
%C A207912 Row 7 of A207908
%H A207912 R. H. Hardin, <a href="/A207912/b207912.txt">Table of n, a(n) for n = 1..210</a>
%e A207912 Some solutions for n=4
%e A207912 ..1..0..0..1....0..0..1..1....1..0..0..1....1..1..1..1....0..1..1..1
%e A207912 ..1..1..1..1....1..0..0..1....1..1..1..0....0..0..1..1....0..1..1..0
%e A207912 ..1..0..0..1....0..1..1..0....1..0..0..1....1..1..1..0....1..0..1..1
%e A207912 ..1..1..1..0....1..0..0..1....0..1..1..0....0..0..1..1....0..1..1..0
%e A207912 ..1..0..0..1....0..1..1..0....1..0..0..1....1..1..0..0....0..0..1..1
%e A207912 ..0..1..1..0....1..0..0..1....0..1..1..0....0..0..1..1....1..1..0..0
%e A207912 ..1..0..0..1....0..1..1..0....1..0..0..1....1..1..0..0....0..0..1..1
%K A207912 nonn
%O A207912 1,1
%A A207912 _R. H. Hardin_ Feb 21 2012