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A202747 Number of 6Xn 0..1 arrays with row sums equal and column sums unequal to adjacent columns.

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%I A202747 #6 Jul 22 2025 16:49:12
%S A202747 2,44,1074,29680,827502,27842760,967878370,35772388788,1349807335782,
%T A202747 52493731492612
%N A202747 Number of 6Xn 0..1 arrays with row sums equal and column sums unequal to adjacent columns.
%C A202747 Row 6 of A202742
%e A202747 Some solutions for n=4
%e A202747 ..1..0..1..0....1..1..0..0....0..1..1..0....1..1..0..0....0..1..0..1
%e A202747 ..1..0..1..0....1..0..0..1....1..1..0..0....0..1..0..1....0..0..1..1
%e A202747 ..0..1..1..0....1..0..1..0....1..1..0..0....1..0..1..0....0..1..1..0
%e A202747 ..1..0..1..0....1..0..1..0....0..1..0..1....0..1..1..0....1..1..0..0
%e A202747 ..1..1..0..0....0..0..1..1....1..0..0..1....0..1..0..1....1..0..0..1
%e A202747 ..1..0..1..0....0..1..1..0....0..0..1..1....1..0..1..0....0..1..0..1
%K A202747 nonn
%O A202747 1,1
%A A202747 _R. H. Hardin_ Dec 23 2011

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