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A064525 Smallest Fibonacci number with a prime number of decimal digits. 0
13, 144, 10946, 1346269, 12586269025, 1548008755920, 14472334024676221, 1100087778366101931, 10284720757613717413913, 11825896447871834976429068427, 1454489111232772683678306641953 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

13 is the first Fibonacci with 2 decimal digits. 144 is the first Fibonacci with 3 decimal digits, etc.

MATHEMATICA

Module[{nn=500, fibs}, fibs=Fibonacci[Range[nn]]; Table[SelectFirst[fibs, IntegerLength[ #]==n&], {n, Prime[Range[11]]}]] (* Harvey P. Dale, Dec 16 2018 *)

CROSSREFS

Sequence in context: A045725 A072351 A134489 * A065411 A038492 A270579

Adjacent sequences:  A064522 A064523 A064524 * A064526 A064527 A064528

KEYWORD

base,easy,nonn

AUTHOR

Jason Earls, Oct 07 2001

STATUS

approved

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Last modified August 19 08:08 EDT 2019. Contains 326115 sequences. (Running on oeis4.)