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A085666
Decimal expansion of -tan(tan(tan(1))).
0
8, 6, 3, 5, 1, 8, 8, 5, 4, 8, 7, 8, 0, 5, 8, 8, 8, 1, 9, 8, 7, 0, 1, 5, 5, 9, 3, 1, 3, 6, 4, 3, 1, 8, 5, 0, 7, 7, 2, 2, 4, 7, 6, 0, 5, 8, 1, 8, 5, 7, 3, 4, 3, 0, 5, 7, 7, 5, 7, 2, 6, 9, 5, 4, 3, 0, 3, 8, 8, 5, 3, 4, 8, 3, 4, 6, 5, 8, 6, 4, 3, 9, 2, 9, 6, 5, 2, 4, 3, 0, 3, 4, 0, 0, 8, 7, 4, 7, 5
OFFSET
0,1
LINKS
Jens Blanck, Exact real arithmetic systems: results of competition, pp. 389-393 of J. Blanck et al., eds., Computability and Complexity in Analysis (CCA 2000), Lect. Notes Computer Science, Springer-Verlag, 2001; alternative link.
EXAMPLE
0.86351885487805888198701559313643185077224760581857...
MATHEMATICA
RealDigits[Tan[Tan[Tan[1]]], 10, 120][[1]] (* Amiram Eldar, Jun 08 2023 *)
PROG
(PARI) -tan(tan(tan(1))) \\ Charles R Greathouse IV, Mar 25 2014
CROSSREFS
Cf. A049471.
Sequence in context: A195336 A196773 A197824 * A084895 A154719 A356034
KEYWORD
cons,nonn
AUTHOR
N. J. A. Sloane, Jul 15 2003
STATUS
approved