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A075732
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Fibonacci numbers F(k) for k not squarefree (A013929).
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0
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3, 21, 34, 144, 987, 2584, 6765, 46368, 75025, 196418, 317811, 2178309, 14930352, 102334155, 701408733, 1134903170, 4807526976, 7778742049, 12586269025, 32951280099, 86267571272, 225851433717, 1548008755920, 6557470319842
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OFFSET
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0,1
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LINKS
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EXAMPLE
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4 is a nonsquarefree number and Fibonacci(4)=3, 8 is a nonsquarefree number and Fibonacci(8)=21,...
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MAPLE
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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);
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MATHEMATICA
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Fibonacci[#]&/@DeleteCases[Range[100], _?SquareFreeQ] (* Harvey P. Dale, Apr 20 2011 *)
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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