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Search: id:A075734
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| A075734 |
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Fibonacci numbers F(k) when k is a product of an even number of distinct primes A030229 (mu(k)=1). |
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+0
1
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| 1, 8, 55, 377, 610, 10946, 17711, 121393, 3524578, 5702887, 9227465, 39088169, 63245986, 1836311903, 20365011074, 139583862445, 365435296162, 591286729879, 4052739537881, 17167680177565, 117669030460994
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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14=2*7 and fibonacci(14)=377, 15=3*5 and fibonacci(15)=610,...
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MAPLE
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with(combinat, fibonacci): fib_m1dsk := proc(n); if (numtheory[mobius](n)=1) then RETURN(fibonacci(n)); fi; end: seq((fib_m1dsk((i))), i=1..100);
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CROSSREFS
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Cf. A000045, A030229.
Sequence in context: A013698 A154245 A143420 this_sequence A033890 A010924 A010918
Adjacent sequences: A075731 A075732 A075733 this_sequence A075735 A075736 A075737
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KEYWORD
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easy,nonn
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AUTHOR
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Jani Melik (jani_melik(AT)hotmail.com), Oct 07 2002
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