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A022115
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Fibonacci sequence beginning 2, 11.
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4
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2, 11, 13, 24, 37, 61, 98, 159, 257, 416, 673, 1089, 1762, 2851, 4613, 7464, 12077, 19541, 31618, 51159, 82777, 133936, 216713, 350649, 567362, 918011, 1485373, 2403384, 3888757, 6292141, 10180898, 16473039, 26653937, 43126976, 69780913, 112907889, 182688802
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OFFSET
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0,1
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LINKS
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Ivan Panchenko, Table of n, a(n) for n = 0..1000
Tanya Khovanova, Recursive Sequences
Clark Kimberling, Problem Proposals, The Fibonacci Quarterly, vol. 52 #5, 2015, p5-14.
Index entries for linear recurrences with constant coefficients, signature (1,1).
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FORMULA
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G.f.: (2+9*x)/(1-x-x^2). - Philippe Deléham, Nov 19 2008
a(n) = 12*F(n) + F(n-3). - J. M. Bergot, Jul 20 2017
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MATHEMATICA
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CoefficientList[Series[(2 + 9 x)/(1 - x - x^2), {x, 0, 40}], x] (* Wesley Ivan Hurt, Jun 15 2014 *)
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CROSSREFS
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Cf. A000032.
Sequence in context: A045385 A090416 A090430 * A042453 A041885 A247338
Adjacent sequences: A022112 A022113 A022114 * A022116 A022117 A022118
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane, Jun 14 1998
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STATUS
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approved
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