A113879 - OEIS

%I #4 Mar 31 2012 10:21:59

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

%N a(n) = 1+A113878(n).

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

%Y Cf. A113824.

%K nonn

%O 1,2

%A _Artur Jasinski_, Jan 27 2006

%E Simplified definition - _R. J. Mathar_, Oct 01 2009