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A207933 Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically.

%I A207933 #7 Jul 22 2025 21:01:20
%S A207933 42,1764,6216,21904,126688,732736,3773248,19430464,105642128,
%T A207933 574369156,3050871800,16205290000,87703589600,474654858304,
%U A207933 2537509425088,13565549724736,73283287813072,395888141775844,2122391971076888
%N A207933 Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically.
%C A207933 Row 7 of A207928
%H A207933 R. H. Hardin, <a href="/A207933/b207933.txt">Table of n, a(n) for n = 1..210</a>
%e A207933 Some solutions for n=4
%e A207933 ..1..1..0..0....1..1..1..1....0..0..1..1....0..1..1..0....0..1..1..0
%e A207933 ..1..1..0..0....1..1..0..0....1..1..0..0....1..0..1..1....0..1..1..1
%e A207933 ..0..0..1..1....0..0..1..1....1..1..1..0....1..1..0..1....1..0..0..1
%e A207933 ..1..0..1..1....1..1..0..1....0..0..1..1....0..1..1..0....1..1..0..0
%e A207933 ..1..1..0..0....0..1..1..0....1..1..0..1....1..0..0..1....0..1..1..1
%e A207933 ..0..0..1..1....0..0..1..1....0..1..1..0....1..1..0..1....1..0..1..1
%e A207933 ..1..1..1..1....1..0..0..1....1..0..1..1....0..1..1..0....1..1..0..0
%K A207933 nonn
%O A207933 1,1
%A A207933 _R. H. Hardin_ Feb 21 2012