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A233790
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Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11
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2
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43888, 479628, 4674280, 58623880, 635439176, 9169500236, 106891645888, 1738779775140, 21208274486100, 376882661513356, 4712120175802000, 88823085571060340, 1124401533971807756, 21999740675734901372
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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
..3..1..2..2..1..2..3....3..1..0..1..0..1..0....1..3..1..1..0..1..0
..1..2..0..1..3..1..1....1..2..0..2..2..2..2....3..2..3..2..2..2..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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