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A157780
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Denominator of Bernoulli(n, 1/2).
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6
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1, 1, 12, 1, 240, 1, 1344, 1, 3840, 1, 33792, 1, 5591040, 1, 49152, 1, 16711680, 1, 104595456, 1, 173015040, 1, 289406976, 1, 22900899840, 1, 201326592, 1, 116769423360, 1, 7689065201664, 1, 1095216660480, 1, 51539607552, 1
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OFFSET
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0,3
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COMMENTS
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Included for completeness, A033469 is the official version of this sequence.
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LINKS
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FORMULA
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a(n) = denominator(-(1-2^(1-n))*Bernoulli(n)). - Fabián Pereyra, Dec 31 2022
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MATHEMATICA
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Table[Denominator[BernoulliB[n, 1/2]], {n, 0, 50}] (* Vincenzo Librandi, Mar 19 2014 *)
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CROSSREFS
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KEYWORD
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nonn,frac
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AUTHOR
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STATUS
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approved
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