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A032722 n prefixed by '5' and followed by '7' is a prime. +0
1
4, 5, 7, 8, 10, 14, 16, 19, 22, 23, 29, 34, 38, 40, 41, 43, 47, 50, 52, 55, 64, 65, 71, 73, 80, 82, 85, 86, 89, 92, 98, 104, 113, 115, 119, 121, 125, 128, 130, 134, 140, 142, 143, 148, 151, 157, 160, 163, 164, 176, 178, 179, 181, 182, 190, 197, 202, 205, 206, 212 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Adjacent sequences: A032719 A032720 A032721 this_sequence A032723 A032724 A032725

Sequence in context: A076203 A120163 A088763 this_sequence A098416 A005556 A047377

KEYWORD

nonn,base

AUTHOR

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

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.


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