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A038525 Numbers n with property that either the n-th Fibonacci number is prime or the concatenation of its prime factors is prime. +0
1
3, 4, 5, 7, 8, 11, 13, 17, 23, 24, 28, 29, 34, 43, 47, 50, 52, 58, 71, 77, 83, 131, 137, 163, 197, 235, 238 (list; graph; listen)
OFFSET

1,1

COMMENT

Up to and including a(17)=52, the sequence are the n such that A038526(n) is prime. Extrapolating, one would expect it to continue 83,86,93,95,131,137,139,174,182,... - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 12 2007

CROSSREFS

Sequence in context: A108372 A066542 A003310 this_sequence A057201 A154571 A112882

Adjacent sequences: A038522 A038523 A038524 this_sequence A038526 A038527 A038528

KEYWORD

more,nonn,base

AUTHOR

Jeff Burch (gburch(AT)erols.com)

EXTENSIONS

More terms from Thomas Baruchel (baruchel(AT)users.sourceforge.net), Oct 11 2003

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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