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A231381 Number of nX7 0..1 arrays with no element less than a strict majority of its horizontal and vertical neighbors 1

%I #4 Nov 08 2013 13:45:02

%S 37,601,24747,830890,30936914,1157805351,42978519280,1597438228604,

%T 59402875813957,2208383979206654,82098126041989007,

%U 3052145959217113535,113469026790211137424,4218406116270705640956,156826531286247105951370

%N Number of nX7 0..1 arrays with no element less than a strict majority of its horizontal and vertical neighbors

%C Column 7 of A231382

%H R. H. Hardin, <a href="/A231381/b231381.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 08 2013

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Last modified May 12 13:42 EDT 2024. Contains 372480 sequences. (Running on oeis4.)