%I #11 Jul 11 2023 03:51:06
%S 1,3,7,3,4,0,0,7,6,6,9,4,5,0,1,5,8,6,0,8,6,1,2,7,1,9,2,6,4,4,4,9,6,1,
%T 1,4,8,6,5,0,9,9,9,5,9,5,8,9,9,7,0,0,8,0,8,9,6,9,7,8,3,3,5,5,9,1,2,8,
%U 7,4,2,3,3,1,6,4,8,6,0,7,1,3,5,8,1,3,1,9,5,8,4,6,3,3,7,7,0,4,8,9
%N Decimal expansion of arctan(5).
%F Equals arcsin(5/sqrt(26)) = arccos(1/sqrt(26)). - _Amiram Eldar_, Jul 11 2023
%e arctan(5) = 1.373400766945015860861271926444961148650999...
%t r = 5;
%t N[ArcTan[r], 100]
%t RealDigits[%] (* A195769 *)
%t N[ArcCot[r], 100]
%t RealDigits[%] (* A105532 *)
%t N[ArcSec[r], 100]
%t RealDigits[%] (* A195771 *)
%t N[ArcCsc[r], 100]
%t RealDigits[%] (* A195772 *)
%Y Cf. A105532, A195771, A195772.
%K nonn,cons
%O 1,2
%A _Clark Kimberling_, Sep 24 2011