A113879 a(n) = 1+A113878(n).

1, 2, 3, 5, 8, 17, 54, 67, 208, 1753, 5042, 6311

Offset: 1

Author

Artur Jasinski, Jan 27 2006

Keywords

• nonn

Crossrefs

Cf. A113824.

Formula

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

Extensions

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