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A064754 n*8^n - 1. +0
1
7, 127, 1535, 16383, 163839, 1572863, 14680063, 134217727, 1207959551, 10737418239, 94489280511, 824633720831, 7146825580543, 61572651155455, 527765581332479, 4503599627370495, 38280596832649215, 324259173170675711 (list; graph; listen)
OFFSET

1,1

LINKS

Paul Leyland, Factors of Cullen and Woodall numbers

Paul Leyland, Generalized Cullen and Woodall numbers

CROSSREFS

Sequence in context: A061744 A053716 A088550 this_sequence A025166 A139291 A092676

Adjacent sequences: A064751 A064752 A064753 this_sequence A064755 A064756 A064757

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Oct 19 2001

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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