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A022117
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Fibonacci sequence beginning 2, 15.
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3
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2, 15, 17, 32, 49, 81, 130, 211, 341, 552, 893, 1445, 2338, 3783, 6121, 9904, 16025, 25929, 41954, 67883, 109837, 177720, 287557, 465277, 752834, 1218111, 1970945, 3189056, 5160001, 8349057, 13509058, 21858115, 35367173, 57225288, 92592461, 149817749
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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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MATHEMATICA
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a={}; b=2; c=15; AppendTo[a, b]; AppendTo[a, c]; Do[b=b+c; AppendTo[a, b]; c=b+c; AppendTo[a, c], {n, 1, 40, 1}]; a (* Vladimir Joseph Stephan Orlovsky, Jul 23 2008 *)
Transpose[NestList[{#[[2]], #[[1]]+#[[2]]}&, {2, 15}, 40]][[1]] (* Harvey P. Dale, Dec 16 2010 *)
CoefficientList[Series[(2 + 13 x)/(1 - x - x^2), {x, 0, 40}], x] (* Wesley Ivan Hurt, Jun 15 2014 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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