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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
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, 319, 359, 431, 433, 449, 509, 569, 570, 571, 669, 949, 958, 1211, 1305 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

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, Oct 12 2007

LINKS

Table of n, a(n) for n=1..41.

CROSSREFS

Cf. A000045, A037276, A038526.

Sequence in context: A270342 A066542 A003310 * A268678 A057201 A242965

Adjacent sequences:  A038522 A038523 A038524 * A038526 A038527 A038528

KEYWORD

nonn,base,more

AUTHOR

Jeff Burch

EXTENSIONS

More terms from Thomas Baruchel, Oct 11 2003

More terms from Sean A. Irvine, Jan 16 2021

STATUS

approved

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Last modified May 13 18:08 EDT 2021. Contains 343865 sequences. (Running on oeis4.)