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A111718
Decimal expansion of (abs(log(cosine of 1 degree)))^(-1).
0
6, 5, 6, 5, 2, 7, 9, 3, 5, 6, 5, 3, 5, 6, 2, 6, 5, 1, 4, 0, 2, 7, 0, 3, 4, 4, 3, 8, 9, 9, 3, 4, 2, 3, 6, 1, 6, 1, 1, 7, 5, 0, 8, 9, 2, 7, 1, 0, 5, 5, 7, 8, 4, 8, 0, 0, 8, 4, 5, 6, 6, 2, 8, 0, 9, 3, 4, 0, 9, 4, 8, 9, 9, 9, 4, 2, 4, 9, 7, 0, 0, 6, 3, 8, 3, 5, 4, 2, 1, 4, 8, 8, 2, 9, 7, 9, 7, 7, 1, 1, 9, 9, 6, 4
OFFSET
4,1
EXAMPLE
6565.2793565356265140...
MAPLE
evalf(-1/log(cos(Pi/180))) ; # R. J. Mathar, Oct 03 2011
PROG
(PARI) -1/log(cos(Pi/180)) \\ Charles R Greathouse IV, May 15 2019
CROSSREFS
Cf. A019810.
Sequence in context: A217170 A064844 A242723 * A106154 A023408 A133616
KEYWORD
nonn,cons
AUTHOR
Mohammad K. Azarian, Nov 17 2005
EXTENSIONS
a(101)-a(103) corrected by Georg Fischer, Jul 16 2021
STATUS
approved