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Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 0 vertically
1

%I #5 Mar 31 2012 12:37:17

%S 14,196,1162,6889,55361,444889,3210938,23174596,174570082,1315005169,

%T 9738102283,72114268681,537769464960,4010246553600,29819994798720,

%U 221740004737969,1650780521420653,12289511462408761,91447279848789522

%N Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 0 vertically

%C Row 5 of A207426

%H R. H. Hardin, <a href="/A207429/b207429.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..1..0..1..1....0..1..1..0....0..1..1..1....0..0..1..1....0..0..1..1

%e ..0..0..1..1....1..1..1..0....1..0..0..1....1..1..0..0....0..1..1..1

%e ..1..0..0..1....1..1..1..0....1..1..0..1....1..1..1..0....0..1..1..1

%e ..1..0..0..1....0..1..1..0....1..1..0..1....1..1..1..0....0..1..1..1

%e ..1..0..0..1....1..1..0..0....1..1..0..1....1..1..0..0....0..1..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 17 2012