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A299782
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a(n) is the total number of k-uniform tilings, for k = 1..n.
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2
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OFFSET
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1,1
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LINKS
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EXAMPLE
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For n = 3 there are 11 uniform tilings, 20 2-uniform tilings and 61 3-uniform tilings. The sum of them is 11 + 20 + 61 = 92, so (3) = 92.
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CROSSREFS
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KEYWORD
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nonn,hard,more
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AUTHOR
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STATUS
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approved
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