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A092934
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a(n) = floor((product of next n even numbers) / (product of first n odd numbers)).
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0
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2, 8, 64, 768, 12202, 240546, 5652480, 154090259, 4777917500, 165999652648, 6386199899437, 269455867248640, 12371082837260281, 613924958232961934, 32745240915899894988, 1868019304186661949347, 113491057175295931012181
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OFFSET
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1,1
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LINKS
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FORMULA
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MATHEMATICA
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Table[Floor[2^n(n (n + 1)/2)!/(((n - 1) n/2)!*(2n - 1)!!)], {n, 1, 20}] (* Stefan Steinerberger, Jan 28 2006 *)
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CROSSREFS
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KEYWORD
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nonn,less,changed
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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