4,1

Table of n, a(n) for n=4..103.

Index entries for transcendental numbers

-6565.2793565356265140...

evalf(1/log(cos(Pi/180))) ; # R. J. Mathar, Oct 03 2011

(PARI) -1/log(cos(Pi/180)) \\ Charles R Greathouse IV, May 15 2019

Cf. A019810.

Sequence in context: A217170 A064844 A242723 * A106154 A023408 A133616

Adjacent sequences: A111715 A111716 A111717 * A111719 A111720 A111721

nonn,cons

Mohammad K. Azarian, Nov 17 2005

approved