%I #16 Jan 14 2017 04:31:15
%S 1,0,0,2,6,6,0,6,4,0,6,0,9,1,9,7,6,5,6,8,7,4,4,0,2,1,3,9,5,9,8,9,0,0,
%T 4,4,5,8,2,4,3,7,5,5,5,2,8,2,2,8,7,8,3,8,4,8,4,9,6,3,1,8,6,8,3,6,0,9,
%U 7,7,2,3,1,1,2,2,9,6,3,7,2,7,8,1,7,1,4,7,4,5,9,0,5,3,1,8,4,4,0,4,1,5,2,6,7
%N Decimal expansion of sqrt(Pi^2 - e^2)/(Pi/2).
%C Simple expression with value close to integer.
%H G. C. Greubel, <a href="/A106152/b106152.txt">Table of n, a(n) for n = 1..5000</a>
%F c = sqrt(Pi^2 - e^2)/(Pi/2).
%e 1.0026606406091976568744021395989004458243755528228783848496318683..
%t RealDigits[N[Sqrt[Pi^2 - E^2]/(Pi/2), 120]][[1]]
%o (PARI) 2*sqrt(Pi^2 - exp(2))/Pi \\ _G. C. Greubel_, Jan 13 2017
%Y Cf. A019669, A096437.
%K cons,nonn
%O 1,4
%A _Zak Seidov_, May 07 2005