%I A086232
%S A086232 1,9,3,2,0,1,6,7,3,2,2,4,9,8,3,9,3,7,3,4,1,8,7,0,9,7,3,3,2,9,3,6,9,1,6,
%T A086232 0,5,7,5,8,7,3,3,8,6,4,5,0,1,3,9,5
%N A086232 Decimal expansion of probability that a random walk on an 4-d lattice 
               returns to the origin.
%C A086232 0.1932016...
%H A086232 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PolyasRandomWalkConstants.html">Polyas Random Walk Constants</a>
%t A086232 First[RealDigits[1 - 1/NIntegrate[BesselI[0, t/4]^4 * Exp[ -t], {t, 0, 
               Infinity}, PrecisionGoal->50, WorkingPrecision->350]]] (Propper)
%Y A086232 Sequence in context: A085579 A081813 A048799 this_sequence A133867 A072559 
               A019941
%Y A086232 Adjacent sequences: A086229 A086230 A086231 this_sequence A086233 A086234 
               A086235
%K A086232 nonn,cons
%O A086232 0,2
%A A086232 Eric Weisstein (eric(AT)weisstein.com), Jul 12, 2003
%E A086232 More terms from Ryan Propper (rpropper(AT)stanford.edu), Jul 12 2005