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A020629 Smallest nonempty set S containing prime divisors of 9k+7 for each k in S. 0
2, 5, 11, 13, 31, 53 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Sequence in context: A095078 A062572 A106283 * A097055 A191163 A026228

Adjacent sequences:  A020626 A020627 A020628 * A020630 A020631 A020632

KEYWORD

nonn,fini,full

AUTHOR

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

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Last modified February 16 01:31 EST 2012. Contains 205860 sequences.