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R. H. Hardin, <a href="/A222356/b222356.txt">Table of n, a(n) for n = 1..210</a>
allocated for R. H. Hardin
Number of nX4 0..1 arrays with no more than floor(nX4/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order
4, 8, 24, 73, 268, 1315, 5381, 25239, 113538, 533356, 2402550, 11364630, 52069277, 244650515, 1134406835, 5333956135, 24882161838, 117126702147, 549346385165, 2588758810240, 12188021953812, 57529499698695, 271604205050473
1,1
Column 4 of A222360
Some solutions for n=4
..0..0..1..1....0..1..0..1....0..1..1..1....0..0..1..1....0..0..0..1
..0..0..0..0....0..0..0..0....1..1..1..1....0..0..1..1....0..0..0..0
..0..0..0..0....0..0..0..0....1..1..1..1....0..0..1..1....0..0..0..1
..0..0..0..0....0..0..0..0....1..1..1..0....0..0..1..1....0..0..0..0
allocated
nonn
R. H. Hardin Feb 16 2013
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