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A285002
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a(n) = floor(Gamma(3n/4)).
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2
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1, 0, 1, 2, 4, 11, 35, 120, 453, 1871, 8376, 40320, 207358, 1133278, 6552134, 39916800, 255371835, 1710542068, 11964299312, 87178291200, 660355655453, 5189998453040, 42249866656927, 355687428096000, 3092228855290534, 27724322986333718, 256040133328476465
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OFFSET
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1,4
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COMMENTS
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There are three integer-valued interpolations between successive factorials.
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LINKS
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FORMULA
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a(n) = floor(Gamma(3n/4)).
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MATHEMATICA
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Table[Floor[Gamma[3n/4]], {n, 1, 35}]
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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