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Decimal expansion of the solution c of s/c = Pi, where s = arclength and c = chord length on the unit circle.
3

%I #8 Mar 06 2021 02:06:15

%S 1,4,7,2,9,6,8,8,9,6,4,8,3,0,3,3,3,6,8,2,6,2,2,4,2,7,7,3,8,0,7,4,1,2,

%T 2,8,1,6,9,9,7,7,6,3,7,7,6,8,4,3,7,9,7,6,7,2,5,9,4,7,8,8,8,0,3,3,3,1,

%U 0,2,2,1,4,3,4,6,4,4,2,8,0,0,9,3,1,3

%N Decimal expansion of the solution c of s/c = Pi, where s = arclength and c = chord length on the unit circle.

%C See A336043 for a guide to related sequences.

%e s = 4.6274682641573622644979796515595282743304176020...

%e c = 1.4729688964830333682622427738074122816997763776...

%t t = t /.FindRoot[t == Pi Sqrt[2 - 2 Cos[t]], {t, 4}, WorkingPrecision -> 200]

%t c = t/Pi

%t RealDigits[t][[1]] (* A336049 *)

%t RealDigits[c][[1]] (* A336050 *)

%Y Cf. A336043, A336049.

%K nonn,cons

%O 1,2

%A _Clark Kimberling_, Jul 08 2020