A111718 - OEIS

%I #16 Jul 16 2021 15:08:43

%S 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,

%T 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,

%U 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

%N Decimal expansion of (abs(log(cosine of 1 degree)))^(-1).

%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>

%e 6565.2793565356265140...

%p evalf(-1/log(cos(Pi/180))) ; # _R. J. Mathar_, Oct 03 2011

%o (PARI) -1/log(cos(Pi/180)) \\ _Charles R Greathouse IV_, May 15 2019

%Y Cf. A019810.

%K nonn,cons

%O 4,1

%A _Mohammad K. Azarian_, Nov 17 2005

%E a(101)-a(103) corrected by _Georg Fischer_, Jul 16 2021