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A074072
Numerators of iterations of Thue-Morse sequence.
4
0, 1, 3, 105, 13515, 1771476585, 3804217000364127435, 140350834813144189858090274002849666665, 23879457134773177491341539034414728352082211931046871698790017205810876429515
OFFSET
0,3
LINKS
Eric Weisstein's World of Mathematics, Thue-Morse Constant.
EXAMPLE
Fractions begin with 0, 1/4, 3/8, 105/256, 13515/32768, 1771476585/4294967296, ...
MATHEMATICA
f[0] = 0; f[n_] := (2^(-2^n))*(2^(2^(n - 1)) - 1)*(2^(2^(n - 1))*f[n - 1] + 1); Numerator@ Array[f, 9, 0] (* Amiram Eldar, Oct 05 2023 *)
CROSSREFS
Cf. A074073 (denominators).
Sequence in context: A271049 A101485 A226236 * A352656 A226074 A037115
KEYWORD
nonn,frac,easy
AUTHOR
Eric W. Weisstein, Aug 18 2002
EXTENSIONS
a(8) from Amiram Eldar, Oct 05 2023
STATUS
approved