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Search: id:A023220
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A023220 Numbers n such that n and 5n + 8 are both prime. +0
2
3, 7, 13, 19, 31, 37, 43, 61, 73, 103, 127, 163, 211, 223, 229, 241, 283, 307, 331, 337, 349, 373, 397, 409, 421, 439, 457, 499, 541, 631, 661, 673, 691, 727, 733, 757, 769, 787, 829, 853, 883, 919, 997, 1021, 1063, 1087, 1123, 1129, 1213, 1231, 1447, 1543, 1549 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A015916 A023203 A086135 this_sequence A023205 A103521 A103966

Adjacent sequences: A023217 A023218 A023219 this_sequence A023221 A023222 A023223

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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