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A346790 Decimal expansion of the cotangent of an arcsecond. 0

%I #12 Aug 20 2021 23:31:21

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

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

%U 8,2,4,8,6,7,6,6,1,1,7,7,1,4,7,2,1,5,2

%N Decimal expansion of the cotangent of an arcsecond.

%C It equals the number of astronomical units in a parsec, prior to its redefinition in August 2015.

%F Equals cot(A217572).

%e 206264.8062480624548030955...

%t RealDigits[Cot[Pi/(180*3600)], 10, 100][[1]] (* _Amiram Eldar_, Aug 04 2021 *)

%o (PARI) cotan(Pi/(180*3600)) \\ _Michel Marcus_, Aug 04 2021

%Y Cf. A217572.

%K cons,nonn

%O 6,1

%A _Donghwi Park_, Aug 04 2021

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Last modified June 20 22:01 EDT 2024. Contains 373532 sequences. (Running on oeis4.)