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Search: id:A092934
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| A092934 |
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Floor[Product of next n even numbers divided by product of first n odd numbers]. |
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+0
1
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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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FORMULA
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a(n) = Floor[2^n*(A057003(n)/A001147(n)].
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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}] (Steinerberger)
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CROSSREFS
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Sequence in context: A059862 A005612 A136282 this_sequence A139679 A005640 A153540
Adjacent sequences: A092931 A092932 A092933 this_sequence A092935 A092936 A092937
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 22 2004
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EXTENSIONS
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More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jan 28 2006
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