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Search: id:A023222
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A023222 Numbers n such that n and 6n + 7 both prime. +0
1
2, 5, 11, 17, 29, 31, 37, 61, 67, 71, 89, 101, 109, 127, 137, 167, 181, 191, 199, 229, 241, 257, 269, 277, 281, 311, 331, 337, 347, 359, 379, 389, 397, 419, 431, 457, 491, 499, 509, 541, 571, 577, 587, 601, 617, 631, 641, 647, 691, 709, 739, 751, 757, 769, 787, 797, 809 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A157421 A038390 A048210 this_sequence A007491 A124850 A156850

Adjacent sequences: A023219 A023220 A023221 this_sequence A023223 A023224 A023225

KEYWORD

nonn

AUTHOR

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

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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