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A013722
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a(n) = 17^(2*n + 1).
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4
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17, 4913, 1419857, 410338673, 118587876497, 34271896307633, 9904578032905937, 2862423051509815793, 827240261886336764177, 239072435685151324847153, 69091933913008732880827217
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OFFSET
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0,1
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COMMENTS
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LINKS
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FORMULA
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a(n) = 289*a(n-1), a(0)=17.
G.f.: 17/(1-289*x). (End)
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MAPLE
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MATHEMATICA
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17^(2*Range[0, 10]+1) (* or *) NestList[289#&, 17, 10] (* Harvey P. Dale, Aug 15 2012 *)
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PROG
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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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