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A043297 Primes p such that B(4*p) has denominator 30 where B(2n) are the Bernoulli numbers. +0
3
2, 17, 19, 31, 47, 59, 61, 71, 101, 103, 107, 109, 137, 149, 151, 157, 167, 181, 197, 211, 223, 227, 229, 241, 257, 263, 269, 271, 283, 311, 313, 317, 331, 337, 347, 349, 353, 367, 379, 383, 389, 397, 401, 421, 439, 449, 457, 461, 463, 467, 479, 503, 521 (list; graph; listen)
OFFSET

1,1

COMMENT

Complement of A087634, primes p such that phi(k) = 4p has a solution, where phi is Euler's totient function.

MATHEMATICA

Select[Prime[Range[100]], Denominator[BernoulliB[4# ]]==30&] (from T. D. Noe)

CROSSREFS

Cf. A051225, A053176, A087634.

Sequence in context: A153261 A080115 A119480 this_sequence A018569 A022118 A041339

Adjacent sequences: A043294 A043295 A043296 this_sequence A043298 A043299 A043300

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 24 2002

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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