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A032703 n prefixed by '3' and followed by '1' is a prime. +0
1
1, 3, 12, 18, 19, 22, 25, 27, 30, 33, 36, 37, 39, 46, 49, 51, 54, 57, 58, 63, 67, 69, 70, 76, 82, 85, 88, 91, 93, 105, 108, 109, 112, 115, 118, 123, 127, 132, 139, 148, 151, 153, 154, 160, 172, 174, 175, 177, 189, 198, 199, 205, 214, 219, 225, 226, 232, 234 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Sequence in context: A103249 A047906 A104641 this_sequence A125821 A063229 A061564

Adjacent sequences: A032700 A032701 A032702 this_sequence A032704 A032705 A032706

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.


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