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A197592 Decimal expansion of least x>0 having (cos(x))^2+(sin(2x))^2=1/2. 2
1, 2, 3, 3, 3, 5, 1, 9, 0, 4, 0, 0, 1, 8, 9, 3, 4, 2, 9, 1, 4, 8, 9, 8, 9, 2, 0, 7, 9, 8, 3, 6, 6, 4, 2, 2, 6, 1, 6, 0, 7, 6, 2, 9, 3, 3, 9, 8, 4, 5, 1, 2, 5, 5, 1, 1, 1, 2, 1, 8, 8, 2, 5, 6, 0, 4, 5, 3, 0, 8, 2, 9, 9, 6, 8, 5, 5, 4, 0, 0, 6, 4, 8, 0, 3, 8, 7, 0, 4, 2, 9, 2, 9, 6, 7, 5, 0, 8, 9 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
For a discussion and guide to related sequences, see A197739.
LINKS
EXAMPLE
x=1.2333519040018934291489892079836642261607...
MATHEMATICA
(See the program at A197589.)
RealDigits[ ArcCos[ Sqrt[ (5-Sqrt[17])/2 ]/2 ], 10, 99] // First (* Jean-François Alcover, Feb 27 2013 *)
CROSSREFS
Sequence in context: A171628 A205566 A064338 * A103359 A020481 A066660
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Oct 18 2011
STATUS
approved

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Last modified June 22 06:24 EDT 2024. Contains 373565 sequences. (Running on oeis4.)