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A222702 Number of nX7 0..1 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order 1

%I #4 Feb 28 2013 17:27:33

%S 12,236,2609,73901,1025809,32501123,477839646,15677424850,

%T 236833178725,7904715597566,121438163564977,4094640448127069,

%U 63601112273659110,2158997133088119204,33792045749087345628,1152566124703075253626

%N Number of nX7 0..1 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order

%C Column 7 of A222703

%H R. H. Hardin, <a href="/A222702/b222702.txt">Table of n, a(n) for n = 1..24</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 28 2013

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Last modified June 24 19:44 EDT 2024. Contains 373690 sequences. (Running on oeis4.)