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A222355
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Number of nX3 0..1 arrays with no more than floor(nX3/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order
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1
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1, 1, 5, 24, 27, 176, 404, 2180, 3751, 21261, 44985, 238441, 483280, 2549426, 5537716, 28412352, 62022509, 314794248, 706911054, 3539578743, 8030595379, 39896971556, 91762984752, 452730150747, 1049361132758, 5153972338487, 12033114257303
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OFFSET
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1,3
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=4
..0..0..0....0..0..0....0..0..1....0..1..1....0..0..0....0..1..0....0..0..0
..0..0..0....0..0..0....0..0..1....0..0..0....0..0..0....1..1..1....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..1....1..1..1....0..0..0
..0..0..1....0..0..0....0..0..0....0..0..0....0..0..1....1..1..1....1..0..1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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