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A158569
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a(n) = Sum_{i=1..F(n)} F(i), n >= 1, where F(k) is A000045, Fibonacci numbers.
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0
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1, 1, 2, 4, 12, 54, 609, 28656, 14930351, 365435296161, 4660046610375530308, 1454489111232772683678306641952, 5789092068864820527338372482892113982249794889764
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OFFSET
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1,3
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COMMENTS
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LINKS
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MAPLE
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with(combinat); a := proc (n) options operator, arrow: add(fibonacci(i), i = 1 .. fibonacci(n)) end proc: seq(a(n), n = 1 .. 13); # Emeric Deutsch, Apr 05 2009
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MATHEMATICA
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Total/@Table[Sum[Fibonacci[Range[i]], {i, {Fibonacci[n]}}], {n, 14}] (* Harvey P. Dale, Aug 26 2013 *)
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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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EXTENSIONS
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STATUS
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approved
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