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A234110
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Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12
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1
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2064, 7742, 31740, 151304, 738628, 3840512, 20547980, 114726620, 659505140, 3907997608, 23683903008, 146366102920, 917675482460, 5819531525020, 37212305290312, 239438472633404, 1547580286368172, 10035656593477640
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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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FORMULA
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Empirical recurrence of order 96 (see link above)
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EXAMPLE
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Some solutions for n=4
..3..0..4..3..0....1..1..1..1..4....0..1..0..4..1....0..1..0..4..0
..3..0..0..3..0....0..4..0..4..1....1..4..1..1..0....1..4..1..1..1
..3..4..0..3..0....4..4..4..4..1....4..1..0..4..1....4..1..0..4..0
..3..0..0..3..0....0..4..0..4..1....4..1..4..4..1....1..4..1..1..1
..3..4..0..3..0....1..1..1..1..4....1..4..1..1..4....0..1..4..4..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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