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A183377
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Number of nX4 binary arrays with no element equal to the mod 3 sum of its king-move neighbors
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1
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3, 20, 68, 225, 627, 2152, 7036, 22392, 74381, 241819, 793240, 2604908, 8530131, 28013101, 91893580, 301557767, 989945590, 3248890744, 10664829792, 35007809686, 114914687393, 377229380984, 1238309771635, 4064987753276
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OFFSET
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1,1
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COMMENTS
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Column 4 of A183380
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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 5X4
..1..1..1..0....1..0..0..0....0..1..0..0....1..0..1..1....0..1..1..0
..0..1..0..1....1..1..1..0....1..0..1..0....1..1..1..0....0..1..1..0
..0..1..1..1....0..0..0..1....1..0..0..1....0..1..1..0....1..1..1..1
..0..0..1..0....1..1..0..1....0..1..0..1....0..1..1..1....1..0..1..0
..0..1..1..0....1..0..1..1....0..0..1..1....1..1..0..0....0..1..1..0
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CROSSREFS
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Sequence in context: A062359 A099721 A024402 * A067600 A160456 A196741
Adjacent sequences: A183374 A183375 A183376 * A183378 A183379 A183380
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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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