A346790 Decimal expansion of the cotangent of an arcsecond.

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

Offset

6,1

Comments

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

Links

Table of n, a(n) for n=6..92.

Formula

Equals cot(A217572).

Example

206264.8062480624548030955...

Mathematica

RealDigits[Cot[Pi/(180*3600)], 10, 100][[1]] (* Amiram Eldar, Aug 04 2021 *)

Prog

(PARI) cotan(Pi/(180*3600)) \\ Michel Marcus, Aug 04 2021

Crossrefs

Cf. A217572.

Sequence in context: A036044 A335790 A078991 * A217572 A021833 A196072

Adjacent sequences: A346787 A346788 A346789 * A346791 A346792 A346793

Keyword

cons,nonn

Author

Donghwi Park, Aug 04 2021

Status

approved