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A113879 a(n) = 1+A113878(n). 0
1, 2, 3, 5, 8, 17, 54, 67, 208, 1753, 5042, 6311 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..12.

FORMULA

Sum_{n>=1} 1/(2^a(n)) = 1/2+1/(2^2)+1/(2^3)+1/(2^5)+1/(2^8)+... = 0.910163879394531305517927948...

CROSSREFS

Cf. A113824.

Sequence in context: A077177 A303874 A145793 * A205303 A025071 A319644

Adjacent sequences:  A113876 A113877 A113878 * A113880 A113881 A113882

KEYWORD

nonn

AUTHOR

Artur Jasinski, Jan 27 2006

EXTENSIONS

Simplified definition - R. J. Mathar, Oct 01 2009

STATUS

approved

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Last modified June 15 20:50 EDT 2019. Contains 324145 sequences. (Running on oeis4.)