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A020628 Smallest nonempty set S containing prime divisors of 9k+6 for each k in S. 0
3, 5, 7, 11, 13, 17, 23, 41, 43, 53, 71, 79, 83, 127, 131, 151, 239, 251, 383, 691, 719, 1151 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Sequence in context: A176116 A063908 A154868 * A108816 A088503 A118939

Adjacent sequences:  A020625 A020626 A020627 * A020629 A020630 A020631

KEYWORD

nonn,fini,full

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.