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 A223012 T(n,k)=Number of nXk 0..1 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order 14
 1, 1, 2, 1, 4, 4, 4, 7, 10, 8, 5, 18, 24, 34, 16, 10, 41, 117, 169, 101, 32, 12, 119, 284, 840, 557, 331, 64, 34, 295, 1673, 4685, 6240, 4108, 1044, 128, 43, 825, 4429, 27159, 35471, 47139, 14040, 3406, 256, 101, 2060, 26552, 162547, 464809, 608759, 360347, 104533 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Table starts ....1......1........1...........4.............5..............10 ....2......4........7..........18............41.............119 ....4.....10.......24.........117...........284............1673 ....8.....34......169.........840..........4685...........27159 ...16....101......557........6240.........35471..........464809 ...32....331.....4108.......47139........608759.........8156595 ...64...1044....14040......360347.......4804753.......145478406 ..128...3406...104533.....2779528......84081394......2624457265 ..256..11008...365722....21588898.....677026335.....47747212459 ..512..36039..2734747...168613534...11978593094....874312963817 .1024.117866..9710957..1322868729...97641043662..16092329823905 .2048.387709.72847186.10417760419.1740042991754.297437626371301 LINKS R. H. Hardin, Table of n, a(n) for n = 1..239 EXAMPLE Some solutions for n=3 k=4 ..0..0..1..1....0..0..0..0....0..0..0..0....0..0..0..0....0..1..0..1 ..1..1..1..1....0..0..1..1....0..0..0..1....0..0..0..0....0..1..1..1 ..1..1..1..1....0..0..0..0....0..1..1..0....1..1..0..0....1..1..1..1 CROSSREFS Column 1 is A000079(n-1) Row 1 is A222353 Sequence in context: A136692 A219194 A234306 * A101452 A019963 A165417 Adjacent sequences:  A223009 A223010 A223011 * A223013 A223014 A223015 KEYWORD nonn,tabl AUTHOR R. H. Hardin Mar 11 2013 STATUS approved

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Last modified June 4 18:22 EDT 2020. Contains 334828 sequences. (Running on oeis4.)