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A157726
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a(n) = Fibonacci(n) + 3.
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12
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3, 4, 4, 5, 6, 8, 11, 16, 24, 37, 58, 92, 147, 236, 380, 613, 990, 1600, 2587, 4184, 6768, 10949, 17714, 28660, 46371, 75028, 121396, 196421, 317814, 514232, 832043, 1346272, 2178312, 3524581, 5702890, 9227468, 14930355, 24157820, 39088172, 63245989, 102334158
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,1
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LINKS
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FORMULA
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G.f.: ( 3-2*x-4*x^2 ) / ( (x-1)*(x^2+x-1) ). - R. J. Mathar, Aug 08 2012
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MATHEMATICA
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PROG
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(Haskell)
a157726 = (+ 3) . a000045
a157726_list = 3 : 4 : map (subtract 3)
(zipWith (+) a157726_list $ tail a157726_list)
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CROSSREFS
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Cf. A000045, A001611, A000071, A157725, A001911, A157726, A006327, A157727, A157728, A157729, A167616.
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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