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A020590
Smallest nonempty set S containing prime divisors of 4k+5 for each k in S.
0
3, 7, 11, 17, 73
OFFSET
1,1
CROSSREFS
Sequence in context: A045421 A072456 A138659 * A373631 A063437 A363359
KEYWORD
nonn,fini,full
STATUS
approved