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A020600
Smallest nonempty set S containing prime divisors of 5k+8 for each k in S.
0
3, 7, 11, 13, 17, 19, 23, 31, 41, 43, 61, 67, 71, 73, 103, 163, 223, 311, 313, 373, 521, 523, 823, 1123, 1873, 5623, 20089, 28123
OFFSET
1,1
CROSSREFS
Sequence in context: A180346 A020632 A020596 * A020598 A310193 A226014
KEYWORD
nonn,fini,full
STATUS
approved