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Decimal expansion of the value of Minkowski's question mark function at 1/Pi.
1

%I #6 Jul 10 2011 18:41:28

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

%T 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

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

%N Decimal expansion of the value of Minkowski's question mark function at 1/Pi.

%C This value is very nearly (127*2^16 + 1)/2^25 = 8323073/33554432. Continued fraction expansion given by A119926.

%H <a href="/index/Me#MinkowskiQ">Index entries for sequences related to Minkowski's question mark function</a>

%e 0.248046904802322387695312500000000000000000000000000000000000000000000000000000000000000000000002403...

%t RealDigits[(cf = ContinuedFraction[1/Pi, 80(*arbitrary precision*)]; IntegerPart[1/Pi] + Sum[(-1)^(k)/2^(Sum[cf[[i]], {i, 2, k}] - 1), {k,2, Length[cf]}]), 10]

%Y Cf. A119926.

%K cons,nonn

%O 0,1

%A Joseph Biberstine (jrbibers(AT)indiana.edu), May 29 2006