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A180320 AbsoluteValue(Numerator(Bernoulli(4n))) - Numerator(Bernoulli(4n)) mod denominator(Bernoulli(4n)) divided by two. 1
0, 1, 1, 691, 47, 41, 691, 59, 47, 638653, 2011, 53, 14477, 83, 59, 22298681, 47, 1, 48540859, 1, 47717, 1058237, 5407, 77, 1450679, 4471, 83, 71532367, 226439, 89, 971032651, 1, 47, 1310531, 167, 117419, 965295473, 179, 1, 522242099, 47717, 113 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

Sorted Values: 0, 1, 41, 47, 53, 59, 77, 83, 89, 113, 137, 167, 179, 197, 203, 209, 257, 293, 299, 323, 347, 377, 389, 413, 419, 497, 509, 533, 539, 587, 593, 599, ..., .

LINKS

Table of n, a(n) for n=0..41.

MATHEMATICA

f[n_] := Block[{b = BernoulliB[4 n]}, Mod[Abs@ Numerator@ b - Numerator@ b, Denominator@ b]/2]; Array[f, 60, 0]

CROSSREFS

Cf. A169980, A180315, A180321.

Sequence in context: A046988 A189683 A029825 * A159283 A106281 A127341

Adjacent sequences:  A180317 A180318 A180319 * A180321 A180322 A180323

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Aug 27 2010

STATUS

approved

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Last modified August 22 07:54 EDT 2019. Contains 326172 sequences. (Running on oeis4.)