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A013806
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a(n) = 17^(4*n+1).
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2
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17, 1419857, 118587876497, 9904578032905937, 827240261886336764177, 69091933913008732880827217, 5770627412348402378939569991057, 481968572106750915091411825223071697, 40254497110927943179349807054456171205137
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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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MATHEMATICA
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17^(4Range[0, 10]+1) (* or *) NestList[83521#&, 17, 20] (* Harvey P. Dale, May 21 2013 *)
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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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