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Search: id:A023226
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A023226 Numbers n such that n and 7n + 8 both prime. +0
1
3, 5, 17, 29, 47, 53, 59, 89, 107, 137, 149, 227, 347, 359, 383, 389, 443, 479, 503, 509, 557, 593, 599, 617, 659, 683, 743, 773, 839, 857, 887, 947, 953, 1049, 1097, 1187, 1217, 1259, 1307, 1319, 1373, 1409, 1433, 1493, 1499, 1607, 1613, 1637, 1667, 1697, 1709 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A038703 A163586 A074931 this_sequence A113169 A079496 A038898

Adjacent sequences: A023223 A023224 A023225 this_sequence A023227 A023228 A023229

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.


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