OFFSET
1,2
EXAMPLE
C = 1.3290591087495595646...
MAPLE
Digits:= 120:
s:= convert(fsolve(sum(1/C^(2^k), k=1..infinity)=1, C=1)/10, string):
seq(parse(s[n+1]), n=1..112);
MATHEMATICA
digits = 112; f[x_?NumericQ] := NSum[1/x^(2^k), {k, 1, Infinity}, WorkingPrecision -> digits]; x /. FindRoot[f[x] == 1, {x, 3/2, 1, 2}, WorkingPrecision -> digits] // RealDigits[#, 10, digits]& // First (* Jean-François Alcover, Feb 20 2014 *)
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Jimmy Zotos and Balarka Sen, Feb 13 2013
EXTENSIONS
More terms from Alois P. Heinz, Feb 13 2013
STATUS
approved