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A139350 Decimal expansion of csc((1+sqrt(5))/2), where (1+sqrt(5))/2 is the golden ratio. 5
1, 0, 0, 1, 1, 1, 6, 7, 3, 6, 6, 1, 4, 6, 5, 2, 2, 5, 4, 8, 9, 6, 1, 6, 7, 1, 1, 3, 5, 1, 7, 0, 5, 5, 8, 7, 7, 9, 4, 4, 6, 1, 5, 3, 1, 8, 0, 6, 6, 2, 4, 2, 8, 2, 0, 2, 8, 2, 4, 0, 4, 9, 7, 6, 6, 5, 7, 8, 8, 2, 6, 9, 7, 8, 7, 7, 5, 5, 0, 9, 6, 1, 7, 2, 9, 4, 7, 0, 3, 9, 9, 5, 8, 1, 1, 1, 3, 6, 1, 9, 2, 6, 8, 8, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
1,7
COMMENTS
By the Lindemann-Weierstrass theorem, this constant is transcendental. - Charles R Greathouse IV, May 13 2019
LINKS
FORMULA
Equals 1/A139345. - Amiram Eldar, Feb 07 2022
EXAMPLE
1.00111673661465225489616711351705587794461531806624...
MATHEMATICA
RealDigits[Csc[GoldenRatio], 10, 100][[1]] (* Vincenzo Librandi, Feb 19 2013 *)
PROG
(PARI) 1/sin((sqrt(5)+1)/2) \\ Charles R Greathouse IV, May 13 2019
CROSSREFS
Sequence in context: A248650 A154339 A197141 * A092560 A272875 A018248
KEYWORD
nonn,cons
AUTHOR
Mohammad K. Azarian, Apr 15 2008
EXTENSIONS
Edited by Bruno Berselli, Feb 19 2013
STATUS
approved

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Last modified April 23 06:45 EDT 2024. Contains 371906 sequences. (Running on oeis4.)