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A183370
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Number of nX3 binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors
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1
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1, 4, 6, 16, 30, 64, 165, 361, 875, 2116, 5460, 13924, 36720, 97344, 266895, 727609, 2029885, 5654884, 16014834, 45265984, 129279458, 368947264, 1060159545, 3044280625, 8779570735, 25310900836, 73171312896, 211476737956, 612259440564
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OFFSET
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1,2
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COMMENTS
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Column 3 of A183374
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..200
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EXAMPLE
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Some solutions for 5X3
..0..1..0....1..1..1....0..0..0....1..0..1....1..0..1....0..1..0....1..0..1
..1..1..1....0..0..0....1..1..1....1..0..1....1..0..1....1..1..1....1..0..1
..0..1..0....1..1..1....0..0..0....0..0..0....1..0..1....1..1..1....0..0..0
..0..0..0....1..0..1....1..0..1....0..1..0....0..0..0....0..1..0....1..1..1
..1..1..1....1..1..1....1..0..1....0..1..0....1..1..1....0..1..0....0..0..0
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CROSSREFS
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Sequence in context: A174804 A081487 A099430 * A113883 A036748 A162485
Adjacent sequences: A183367 A183368 A183369 * A183371 A183372 A183373
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin Jan 04 2011
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STATUS
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approved
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