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A096912 Numbers n such that 111*10^n+1 is prime. 1
8, 16, 20, 62, 64, 76, 100, 142, 230, 670, 2230 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

a(1) through a(11) have been proved to be prime with WinPFGW.

CROSSREFS

Sequence in context: A033309 A114435 A112679 * A188438 A037370 A144591

Adjacent sequences:  A096909 A096910 A096911 * A096913 A096914 A096915

KEYWORD

more,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Aug 17 2004

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.