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A346790 Decimal expansion of the cotangent of an arcsecond. 0
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 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
6,1
COMMENTS
It equals the number of astronomical units in a parsec, prior to its redefinition in August 2015.
LINKS
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
KEYWORD
cons,nonn
AUTHOR
Donghwi Park, Aug 04 2021
STATUS
approved

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Last modified May 27 03:56 EDT 2024. Contains 372847 sequences. (Running on oeis4.)