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A020608
Smallest nonempty set S containing prime divisors of 7k+3 for each k in S.
1
2, 5, 17, 19, 43, 61
OFFSET
1,1
CROSSREFS
Sequence in context: A205511 A215276 A095287 * A075612 A156010 A215273
KEYWORD
nonn,fini,full
STATUS
approved