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A020590 Smallest nonempty set S containing prime divisors of 4k+5 for each k in S. +0
1
3, 7, 11, 17, 73 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A045421 A072456 A138659 this_sequence A063437 A049792 A062851

Adjacent sequences: A020587 A020588 A020589 this_sequence A020591 A020592 A020593

KEYWORD

nonn,fini,full

AUTHOR

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

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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