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A075732 Fibonacci numbers F(k) for k not squarefree (A013929). 0
3, 21, 34, 144, 987, 2584, 6765, 46368, 75025, 196418, 317811, 2178309, 14930352, 102334155, 701408733, 1134903170, 4807526976, 7778742049, 12586269025, 32951280099, 86267571272, 225851433717, 1548008755920, 6557470319842 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..23.

EXAMPLE

4 is a nonsquarefree number and Fibonacci(4)=3, 8 is a nonsquarefree number and Fibonacci(8)=21,...

MAPLE

with(combinat, fibonacci): fib_ndsk := proc(n); if (numtheory[issqrfree](n)='false') then # or # if (mobius(n)=0) then RETURN(fibonacci(n)) fi; end: seq(fib_ndsk(i), i=1..100);

MATHEMATICA

Fibonacci[#]&/@DeleteCases[Range[100], _?SquareFreeQ]  (* Harvey P. Dale, Apr 20 2011 *)

CROSSREFS

Cf. A000045, A013929, A061899.

Sequence in context: A089323 A100986 A213141 * A087690 A191763 A227241

Adjacent sequences:  A075729 A075730 A075731 * A075733 A075734 A075735

KEYWORD

easy,nonn

AUTHOR

Jani Melik, Oct 07 2002

STATUS

approved

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Last modified November 21 06:00 EST 2019. Contains 329350 sequences. (Running on oeis4.)