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A123438 Numbers n such that the denominator of n!/!n (= A000142(n)/A000166(n)) is prime. +0
1
4, 5, 6, 7, 10, 11, 15, 16, 34, 44, 63, 66, 168, 427, 575 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Cf. A000142, A000166, A053557.

Sequence in context: A010391 A010419 A047260 this_sequence A039024 A065028 A107756

Adjacent sequences: A123435 A123436 A123437 this_sequence A123439 A123440 A123441

KEYWORD

nonn

AUTHOR

Ed Pegg Jr (ed(AT)mathpuzzle.com), Jul 11 2008

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

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