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A032718 n prefixed by '1' and followed by '7' is a prime. +0
1
0, 2, 3, 5, 6, 9, 11, 18, 21, 23, 27, 29, 30, 32, 36, 42, 44, 48, 56, 59, 60, 62, 63, 65, 66, 69, 74, 77, 78, 84, 86, 87, 90, 98, 99, 102, 104, 105, 108, 111, 117, 119, 125, 128, 131, 143, 144, 146, 149, 152, 158, 159, 161, 165, 167, 171, 177, 180, 182, 186 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Sequence in context: A027588 A131995 A060714 this_sequence A086191 A074658 A124866

Adjacent sequences: A032715 A032716 A032717 this_sequence A032719 A032720 A032721

KEYWORD

nonn,base

AUTHOR

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

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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.


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