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A157782 Denominator of Bernoulli(n, -1/2). 2
1, 1, 12, 4, 240, 16, 1344, 64, 3840, 256, 33792, 1024, 5591040, 4096, 49152, 16384, 16711680, 65536, 104595456, 262144, 173015040, 1048576, 289406976, 4194304, 22900899840, 16777216, 201326592, 67108864, 116769423360, 268435456 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..250

MATHEMATICA

Table[Denominator[BernoulliB[n, -1/2]], {n, 0, 50}] (* Vincenzo Librandi, Mar 19 2014 *)

CROSSREFS

For numerators see A157781.

Sequence in context: A038330 A144630 A107670 * A002679 A133208 A282578

Adjacent sequences:  A157779 A157780 A157781 * A157783 A157784 A157785

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane, Nov 08 2009

STATUS

approved

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Last modified February 28 09:52 EST 2020. Contains 332323 sequences. (Running on oeis4.)