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A206609
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Fibonacci sequence beginning 13, 9.
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4
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13, 9, 22, 31, 53, 84, 137, 221, 358, 579, 937, 1516, 2453, 3969, 6422, 10391, 16813, 27204, 44017, 71221, 115238, 186459, 301697, 488156, 789853, 1278009, 2067862, 3345871, 5413733, 8759604, 14173337, 22932941, 37106278, 60039219, 97145497, 157184716
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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LinearRecurrence[{1, 1}, {13, 9}, 80]
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PROG
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(Magma) I:=[13, 9]; [n le 2 select I[n] else Self(n-1)+Self(n-2): n in [1..40]]; \\ Vincenzo Librandi, Feb 16 2012
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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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STATUS
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approved
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