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A162022 Smallest prime factor of n-th odd composite integers A071904. +0
2
3, 3, 3, 5, 3, 3, 5, 3, 3, 7, 3, 5, 3, 3, 5, 3, 3, 7, 3, 5, 3, 7, 3, 5, 3, 3, 3, 5, 3, 7, 11, 3, 5, 3, 7, 3, 3, 11, 5, 3, 3, 5, 3, 7, 3, 13, 3, 5, 3, 3, 5, 11, 3, 3, 3, 7, 5, 3, 11, 3, 5, 7, 3, 13, 3, 3, 5, 3, 3, 5, 13, 3, 11, 3, 7, 3, 5, 3, 3, 5, 3, 3, 7, 17, 3, 5, 3, 13, 7, 3, 5, 3, 3, 11, 3, 17, 5, 3, 7, 3 (list; graph; listen)
OFFSET

1,1

COMMENT

Records are for n's such that A071904(n) = squares of primes.

EXAMPLE

A071904(1)=9, hence a(1)=3, A071904(2)=25, hence a(2)=5.

CROSSREFS

Cf. A014076, A071904.

Sequence in context: A049613 A002373 A103153 this_sequence A096918 A075018 A125958

Adjacent sequences: A162019 A162020 A162021 this_sequence A162023 A162024 A162025

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Jun 25 2009

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


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