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A198045 Numbers n for which bigomega(n) divides Fibonacci(n). 1
2, 3, 5, 6, 7, 8, 9, 11, 12, 13, 15, 17, 19, 20, 21, 23, 24, 28, 29, 31, 33, 36, 37, 39, 41, 43, 44, 47, 51, 52, 53, 54, 57, 59, 60, 61, 67, 68, 69, 71, 73, 76, 79, 80, 83, 84, 87, 89, 90, 92, 93, 96, 97, 101, 103, 107, 109, 111, 113, 116, 120, 123, 124, 126 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

Florian Luca On positive numbers n for which bigomega(n) divides F_n, Fib. Quart. 41 (2003) 365.

FORMULA

{n: A001222(n) | A000045(n)}.

MATHEMATICA

Select[Range[2, 200], Mod[Fibonacci[#], PrimeOmega[#]] == 0 &] (* T. D. Noe, Oct 20 2011 *)

PROG

(PARI) is(n)=((Mod([1, 1; 1, 0], bigomega(n)))^n)[1, 2]==0 \\ Charles R Greathouse IV, Feb 04 2013

CROSSREFS

Sequence in context: A099354 A039115 A285964 * A068998 A152854 A341763

Adjacent sequences:  A198042 A198043 A198044 * A198046 A198047 A198048

KEYWORD

nonn

AUTHOR

R. J. Mathar, Oct 20 2011

STATUS

approved

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Last modified May 7 19:41 EDT 2021. Contains 343652 sequences. (Running on oeis4.)