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A020604 Smallest nonempty set S containing prime divisors of 6k+7 for each k in S. 0
5, 11, 13, 17, 19, 23, 29, 37, 53, 59, 67, 71, 73, 89, 101, 107, 109, 137, 149, 181, 191, 229, 241, 269, 277, 293, 349, 353, 409, 421, 433, 521, 541, 613, 661, 829, 911, 1093, 1153, 1319, 1381, 1453, 1621, 1669, 2417, 3253, 8293, 9733, 11681 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..49.

CROSSREFS

Sequence in context: A020611 A156312 A172988 * A268476 A082554 A141246

Adjacent sequences:  A020601 A020602 A020603 * A020605 A020606 A020607

KEYWORD

nonn,fini,full

AUTHOR

David W. Wilson

STATUS

approved

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Last modified September 16 11:30 EDT 2021. Contains 347472 sequences. (Running on oeis4.)