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A022367
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Fibonacci sequence beginning 2, 10.
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4
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2, 10, 12, 22, 34, 56, 90, 146, 236, 382, 618, 1000, 1618, 2618, 4236, 6854, 11090, 17944, 29034, 46978, 76012, 122990, 199002, 321992, 520994, 842986, 1363980, 2206966, 3570946, 5777912, 9348858, 15126770, 24475628, 39602398, 64078026, 103680424, 167758450, 271438874
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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.: 2*(1+4*x)/(1-x-x^2). (End)
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MATHEMATICA
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LinearRecurrence[{1, 1}, {2, 10}, 40] (* Harvey P. Dale, Jun 17 2014 *)
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PROG
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(PARI) for(n=0, 50, print1(2*(fibonacci(n+2) + 3*fibonacci(n)), ", ")) \\ G. C. Greubel, Aug 27 2017
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CROSSREFS
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KEYWORD
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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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