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A020611 Smallest nonempty set S containing prime divisors of 7k+6 for each k in S. 1
5, 11, 13, 17, 19, 23, 29, 37, 41, 43, 47, 53, 59, 61, 67, 73, 79, 83, 89, 97, 137, 139, 167, 193, 223, 239, 281, 283, 293, 307, 337, 347, 419, 431, 433, 439, 443, 487, 587, 683, 823, 1567, 1583, 1973, 1987, 2707, 2939, 3023, 3037, 3079, 3733, 4253, 4787, 6703 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Nathaniel Johnston, Table of n, a(n) for n = 1..57 (full sequence)

CROSSREFS

Sequence in context: A295584 A185208 A216227 * A156312 A172988 A020604

Adjacent sequences:  A020608 A020609 A020610 * A020612 A020613 A020614

KEYWORD

nonn,fini,full

AUTHOR

David W. Wilson

STATUS

approved

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Last modified October 26 14:28 EDT 2021. Contains 348267 sequences. (Running on oeis4.)