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A115618
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1 + (n+6)*2^(n-1).
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2
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4, 8, 17, 37, 81, 177, 385, 833, 1793, 3841, 8193, 17409, 36865, 77825, 163841, 344065, 720897, 1507329, 3145729, 6553601, 13631489, 28311553, 58720257, 121634817, 251658241, 520093697, 1073741825, 2214592513, 4563402753, 9395240961, 19327352833, 39728447489
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OFFSET
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0,1
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REFERENCES
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R. J. Lang, Origami approximate geometric constructions, in Tribute to a Mathemagician, Peters, 2005, pp. 223-239.
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LINKS
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MATHEMATICA
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Table[1 + (n + 6)*2^(n - 1), {n, 0, 40}] (* T. D. Noe, Apr 01 2013 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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