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A013831
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a(n) = 4^(5n+2).
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2
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16, 16384, 16777216, 17179869184, 17592186044416, 18014398509481984, 18446744073709551616, 18889465931478580854784, 19342813113834066795298816, 19807040628566084398385987584, 20282409603651670423947251286016
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listen;
history;
text;
internal format)
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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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MATHEMATICA
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4^(5*Range[0, 20]+2) (* or *) NestList[1024#&, 16, 20] (* Harvey P. Dale, Apr 02 2018 *)
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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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