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A251333
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Number of (n+1)X(6+1) 0..2 arrays with every 2X2 subblock summing to 2 4 or 6
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1
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66219, 2399159, 101497397, 4998606173, 277153898751, 16682303832387, 1058556262797069, 69414386148471653, 4645133008964888323, 314769246176449323751, 21496357606832138483677, 1475172313409144505895477
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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=1
..2..1..2..1..0..2..1....2..1..2..2..2..0..0....0..2..2..2..1..2..2
..2..1..2..1..2..2..1....0..1..0..2..0..2..0....2..0..0..2..1..0..0
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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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