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A191014
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a(n) = 10*a(n-1) + 2*a(n-2), with a(0)=0, a(1)=1.
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2
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0, 1, 10, 102, 1040, 10604, 108120, 1102408, 11240320, 114608016, 1168560800, 11914824032, 121485361920, 1238683267264, 12629803396480, 128775400499328, 1313013611786240, 13387686918861056, 136502896412183040, 1391804337959552512, 14191049172419891200
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OFFSET
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0,3
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LINKS
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FORMULA
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MATHEMATICA
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LinearRecurrence[{10, 2}, {0, 1}, 50]
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PROG
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(Magma) I:=[0, 1]; [n le 2 select I[n] else 10*Self(n-1)+2*Self(n-2): n in [1..50]]; // Vincenzo Librandi, Feb 20 2012
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CROSSREFS
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KEYWORD
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nonn,easy,less
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AUTHOR
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STATUS
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approved
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