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A033563 Primes in A001067. 4
691, 3617, 43867, 657931, 151628697551, 26315271553053477373, 154210205991661, 1520097643918070802691, 923038305114085622008920911661422572613197507651 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

All primes in this sequence are irregular primes. The next term, corresponding to Bernoulli(114), is too large to include. See A112548 for indices 2n that yield primes. - T. D. Noe, Sep 28 2005

LINKS

Table of n, a(n) for n=1..9.

MATHEMATICA

Select[Table[Abs[Numerator[BernoulliB[2n]/2/n]], {n, 100}], PrimeQ] (Noe)

CROSSREFS

Sequence in context: A160500 A327448 A046753 * A231273 A156036 A029814

Adjacent sequences:  A033560 A033561 A033562 * A033564 A033565 A033566

KEYWORD

nonn

AUTHOR

Jud McCranie

EXTENSIONS

More terms from T. D. Noe, Sep 28 2005

STATUS

approved

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Last modified October 24 02:02 EDT 2021. Contains 348217 sequences. (Running on oeis4.)