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A020620 Smallest nonempty set S containing prime divisors of 8k+7 for each k in S. +0
1
3, 5, 11, 13, 17, 19, 23, 29, 31, 37, 41, 47, 53, 61, 67, 71, 83, 97, 101, 109, 163, 181, 191, 239, 263, 293, 307, 383, 431, 691, 821, 2111, 2351 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A130603 A069977 A065396 this_sequence A136056 A059636 A087894

Adjacent sequences: A020617 A020618 A020619 this_sequence A020621 A020622 A020623

KEYWORD

nonn,fini,full

AUTHOR

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

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Last modified March 20 01:21 EDT 2010. Contains 173643 sequences.

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