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A020618 Smallest nonempty set S containing prime divisors of 8k+5 for each k in S. +0
1
3, 7, 11, 13, 17, 23, 29, 31, 47, 53, 59, 61, 67, 79, 109, 127, 541, 619, 661, 743, 877, 1021, 2333, 4957 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A091633 A089690 A020574 this_sequence A055211 A045417 A123988

Adjacent sequences: A020615 A020616 A020617 this_sequence A020619 A020620 A020621

KEYWORD

nonn,fini,full

AUTHOR

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

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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