login
A195787
Decimal expansion of arcsec(9).
1
1, 4, 5, 9, 4, 5, 5, 3, 1, 2, 4, 5, 3, 9, 3, 2, 7, 2, 6, 9, 0, 9, 5, 9, 3, 3, 1, 9, 6, 2, 6, 6, 4, 1, 3, 9, 0, 7, 9, 3, 0, 1, 1, 8, 2, 8, 0, 9, 5, 4, 2, 7, 3, 8, 1, 4, 1, 7, 8, 9, 8, 9, 8, 2, 9, 2, 3, 6, 3, 7, 7, 9, 9, 3, 3, 3, 5, 3, 4, 2, 7, 7, 5, 9, 0, 9, 6, 6, 8, 1, 5, 6, 3, 8, 9, 4, 7, 0, 0, 0
OFFSET
1,2
EXAMPLE
arcsec(9)=1.4594553124539327269095933196266413907930...
MATHEMATICA
(See A195785.)
RealDigits[ArcCos[1/9], 10, 120][[1]] (* Harvey P. Dale, May 22 2014 *)
PROG
(PARI) acos(1/9) \\ Charles R Greathouse IV, Apr 09 2014
CROSSREFS
Cf. A195785.
Sequence in context: A046570 A274412 A168429 * A010667 A371336 A016722
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Sep 24 2011
STATUS
approved