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A131135 Denominator of (ordinary) expansion of log((x/2-1)/(x-1)). 2
1, 2, 8, 24, 64, 160, 128, 896, 2048, 4608, 10240, 22528, 16384, 106496, 229376, 491520, 1048576, 2228224, 524288, 9961472, 4194304, 6291456, 92274688, 192937984, 134217728, 838860800, 1744830464, 3623878656, 7516192768 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..28.

FORMULA

a(n)=2*A090634(n).

CROSSREFS

Cf. A131136.

Sequence in context: A075216 A127790 A006730 * A292218 A097064 A134401

Adjacent sequences:  A131132 A131133 A131134 * A131136 A131137 A131138

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Jun 17 2007

STATUS

approved

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Last modified May 19 08:25 EDT 2019. Contains 323389 sequences. (Running on oeis4.)