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Search: id:A014437
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| 1, 1, 3, 5, 13, 21, 55, 89, 233, 377, 987, 1597, 4181, 6765, 17711, 28657, 75025, 121393, 317811, 514229, 1346269, 2178309, 5702887, 9227465, 24157817, 39088169, 102334155, 165580141, 433494437, 701408733
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OFFSET
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0,3
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FORMULA
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Fibonacci(3n+1) union Fibonacci(3n+2).
a(n) = Fibonacci(3*floor((n+1)/2)) + (-1)^n) - Antti Karttunen, Feb 05, 2001
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MATHEMATICA
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a={}; Do[f=Fibonacci[n]; If[OddQ[f], AppendTo[a, f]], {n, 1, 30, 1}]; a (Vladimir Orlovsky, Jul 23 2008)
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CROSSREFS
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Cf. A001651, A059878.
Adjacent sequences: A014434 A014435 A014436 this_sequence A014438 A014439 A014440
Sequence in context: A059874 A059875 A086893 this_sequence A104222 A045414 A089067
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KEYWORD
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nonn,easy
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AUTHOR
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Mohammad K. Azarian (ma3(AT)evansville.edu)
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