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A197582
Decimal expansion of least x>0 having cos(Pi*x/3)=(cos(x))^2.
1
1, 4, 9, 4, 4, 4, 3, 8, 1, 9, 6, 1, 2, 0, 8, 7, 3, 8, 9, 6, 7, 4, 0, 8, 2, 2, 7, 8, 1, 7, 5, 5, 3, 0, 0, 6, 0, 6, 7, 6, 2, 9, 8, 4, 3, 4, 2, 7, 0, 0, 6, 2, 0, 7, 2, 7, 7, 4, 8, 7, 7, 7, 9, 2, 3, 0, 6, 9, 4, 7, 9, 4, 8, 5, 1, 5, 0, 3, 6, 3, 0, 9, 5, 2, 2, 3, 0, 1
OFFSET
1,2
EXAMPLE
1.4944438196120873896740822781755300606762984342700620727748777923069479...
PROG
(PARI) solve(x=1, 2, cos(Pi/3*x)-cos(x)^2) \\ Charles R Greathouse IV, Oct 18 2011
CROSSREFS
Cf. A197133.
Sequence in context: A281152 A238849 A360697 * A086277 A271948 A068950
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Oct 16 2011
EXTENSIONS
Corrected by Charles R Greathouse IV, Oct 18 2011
STATUS
approved