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A207698 Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 1 vertically 1

%I

%S 25,625,1250,2500,10000,40000,145200,527076,2056032,8020224,29854944,

%T 111133764,429565416,1660399504,6232977072,23397985296,90031551120,

%U 346426416400,1306080208880,4924120769296,18891767424072,72479716304004

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

%C Row 7 of A207693

%H R. H. Hardin, <a href="/A207698/b207698.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 19 2012

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Last modified October 21 08:06 EDT 2021. Contains 348150 sequences. (Running on oeis4.)