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A020588
Smallest nonempty set S containing prime divisors of 4k+2 for each k in S.
1
2, 3, 5, 7, 11, 13, 19, 23, 47
OFFSET
1,1
CROSSREFS
Cf. A020575.
Sequence in context: A338577 A030145 A285983 * A227202 A237827 A114111
KEYWORD
nonn,fini,full
STATUS
approved