%I #9 Jul 29 2021 11:03:17
%S 6,2,8,8,5,0,7,4,9,6,3,5,3,2,1,6,0,2,1,2,6,9,6,2,4,6,1,9,1,3,6,1,5,4,
%T 2,1,4,4,8,1,5,9,0,6,8,6,1,9,9,0,6,1,2,7,2,6,2,2,1,0,0,7,1,5,4,6,3,0,
%U 6,9,3,2,4,0,3,5,5,1
%N Decimal expansion of Integral_{s >= 0} (i^s + (-i)^s)/(2*Pi)^s.
%e Equals 0.6288507496353216...
%t c := NIntegrate[Re[((-I)^s + I^s)/(2 Pi)^s], {s, 0, Infinity},
%t WorkingPrecision -> 110, AccuracyGoal -> 100 ]; RealDigits[Re[c]][[1]]
%K nonn,cons
%O 0,1
%A _Peter Luschny_, Apr 23 2020