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A020627 Smallest nonempty set S containing prime divisors of 9k+5 for each k in S. +0
1
2, 7, 11, 13, 17, 19, 23, 29, 43, 53, 59, 61, 67, 71, 79, 101, 179, 241, 277, 367, 457, 827, 1087, 1249, 1549, 2447, 5507, 5623, 12653, 56941 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A063976 A064000 A069180 this_sequence A043292 A020597 A140563

Adjacent sequences: A020624 A020625 A020626 this_sequence A020628 A020629 A020630

KEYWORD

nonn,fini,full

AUTHOR

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

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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