%I #14 Oct 19 2014 15:52:04

%S 2,4,6,9,5,0,6,3,1,4,5,2,1,0,4,7,5,6,2,4,7,5,6,3,6,7,4,4,6,6,0,1,5,0,

%T 2,5,7,6,8,9,7,5,6,1,8,3,9,9,4,9,6,9,1,9,9,6,7,7,9,2,5,7,0,1,9,7,1,8,

%U 3,5,4,8,8,0,0,3,4,0,8,8,3,4,0,3,8,6,6,2,5,0,8,4,1,2,0,0,7,1,3,5,1,7,2,6,1

%N Decimal expansion of sum_{n >= 1} 1/sqrt(n!).

%e 2.46950631452104756247563674466015025768975618399496919967792570...

%p evalf(sum(1/sqrt(n!), n=1..infinity), 120); # _Vaclav Kotesovec_, Oct 19 2014

%t u = N[Sum[1/Sqrt[n!], {n, 1, 200}], 100]

%t RealDigits[u] (* A248761 *)

%o (PARI) suminf(n=1, (1/sqrt(n!))) \\ _Michel Marcus_, Oct 18 2014

%Y Cf. A214869, A248696, A248759, A248760.

%K nonn,easy,cons

%O 1,1

%A _Clark Kimberling_, Oct 13 2014