2,1

By the Lindemann-Weierstrass theorem, this constant is transcendental. - Charles R Greathouse IV, May 13 2019

Table of n, a(n) for n=2..106.

Index entries for transcendental numbers

21.717803282186728014173395240430771671432594733735803352248605645348....

(PARI) cos(1)^-5 \\ Charles R Greathouse IV, May 13 2019

Cf. A049470, A073448.

Sequence in context: A178211 A305564 A160417 * A280691 A092666 A019426

Adjacent sequences: A117041 A117042 A117043 * A117045 A117046 A117047

cons,nonn,less

Mohammad K. Azarian, Apr 16 2006

approved