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A222376
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Number of nX5 0..3 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order
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1
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5, 63, 498, 20340, 271141, 16985929, 286125939, 20743320247, 373691424190, 27882988244881, 509605326368069, 38307687628079400, 703184052898346968, 52999539133762131621, 974700127061083249468, 73589121388228405830161
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OFFSET
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1,1
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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..1....0..0..1..0..2....0..0..0..1..2....0..0..1..1..1
..0..0..0..1..1....0..0..3..0..1....0..0..0..1..0....0..1..1..1..1
..0..0..2..0..1....0..0..0..0..0....0..0..0..0..1....0..2..1..1..1
..0..0..0..1..1....0..0..0..0..0....0..0..0..0..2....0..2..1..1..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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