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A234856
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Number of (n+2)X(1+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 46
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1
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36288, 430044, 5061072, 59396544, 722877426, 8724962088, 104942366208, 1279417121046, 15521208187662, 187880332745934, 2288591750083392, 27799607829489894, 337237942486861242, 4104313572560228892
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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..3....2..1..0....1..0..1....3..1..1....0..0..3....2..1..0....0..3..1
..2..1..0....2..1..2....0..0..3....1..3..2....1..0..2....1..2..1....1..2..0
..0..2..0....3..0..0....2..0..2....0..1..0....2..0..1....3..3..3....0..2..2
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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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