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A020605
Smallest nonempty set S containing prime divisors of 6k+8 for each k in S.
0
2, 5, 7, 11, 17, 19, 23, 37, 61, 73, 223, 673
OFFSET
1,1
CROSSREFS
Cf. A020582. [From R. J. Mathar, Oct 26 2008]
Sequence in context: A319596 A235480 A049042 * A323698 A045348 A023207
KEYWORD
nonn,fini,full
STATUS
approved