A033563 - OEIS

A033563

Primes in A001067.

691, 3617, 43867, 657931, 151628697551, 26315271553053477373, 154210205991661, 1520097643918070802691, 923038305114085622008920911661422572613197507651

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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