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A233977
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Number of (n+1)X(4+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 13
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1
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50680, 453988, 4097024, 44228076, 495606992, 6350866260, 83799022884, 1214582838052, 17693256523624, 274694461515620, 4204974056669288, 67479875037957020, 1056731351332106140, 17215641342339155708
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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..3..0..2..0....5..5..3..2..3....4..6..2..0..3....6..2..3..6..5
..0..4..4..1..4....1..4..1..5..1....3..2..3..4..2....5..6..2..2..6
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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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