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%I #19 Feb 18 2017 22:36:01
%S 2,2,4,0,1,9,3,7,2,3,8,7,0,0,8,9,7,4,1,1,0,5,2,2,0,6,4,1,7,2,9,8,2,9,
%T 7,7,2,0,2,7,2,4,6,8,6,7,2,9,0,3,9,3,6,5,3,5,4,4,7,7,7,6,2,0,4,2,5,3,
%U 8,9,0,7,7,2,5,4,2,1,5,9,9,2,8,8,4,6,3,7,5,1,0,4,1,2,4,9,5,3,9,6,7,8,2,8,5
%N Decimal expansion of the number whose continued fraction expansion consists of the even numbers.
%e 2.2401937238700897411052206417298297720272468672903936535447776204253890772...
%t RealDigits[ FromContinuedFraction[ 2Range[ 38]], 10, 111]
%t RealDigits[ BesselI[0, 1]/BesselI[1, 1], 10, 111] (* _Robert G. Wilson v_, Feb 17 2017 *)
%Y Cf. A060997, A073747.
%K nonn,cons,easy
%O 1,1
%A _Robert G. Wilson v_, Dec 26 2016