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A013807
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a(n) = 17^(4*n+3).
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1
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4913, 410338673, 34271896307633, 2862423051509815793, 239072435685151324847153, 19967568900859523802559065713, 1667711322168688287513535727415473, 139288917338851014461418017489467720433, 11633549665058175578832094238737833478284593
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OFFSET
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0,1
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LINKS
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MATHEMATICA
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17^(4*Range[0, 20]+3) (* or *) NestList[83521#&, 4913, 20] (* Harvey P. Dale, Dec 11 2017 *)
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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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