Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #9 Jul 29 2015 18:03:19
%S 2,7,0,0,7,9,7,2,3,3,1,0,9,5,1,6,4,9,7,8,3,4,3,1,9,7,9,0,0,0,0,6,3,2,
%T 2,7,2,9,1,0,5,9,3,1,0,9,1,2,7,2,9,9,1,9,9,9,8,5,2,0,2,2,9,1,9,1,1,5,
%U 8,7,4,1,8,6,1,7,0,1,5,7,0,8,4,0,4,2,4,5,7,0,0,8,1,7,4,3,4,6,8,4,3,2
%N Decimal expansion of Sum_{n>=0} rho(b_n b_{n-1})/2^{n+1}, where b_n are the b-coefficients in Plouffe's constants.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PlouffesConstants.html">Plouffe's Constants</a>
%e 0.2700797233109516497...
%Y Cf. A086202.
%K nonn,cons
%O 0,1
%A _Eric W. Weisstein_, Aug 22 2005