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A175316 Decimal expansion of coth(Pi). 2
1, 0, 0, 3, 7, 4, 1, 8, 7, 3, 1, 9, 7, 3, 2, 1, 2, 8, 8, 2, 0, 1, 5, 5, 2, 6, 9, 1, 1, 9, 4, 8, 0, 0, 0, 1, 7, 4, 6, 2, 4, 5, 2, 4, 2, 2, 9, 9, 5, 9, 0, 7, 6, 6, 3, 4, 0, 4, 8, 3, 0, 0, 2, 8, 4, 6, 7, 0, 0, 4, 6, 7, 6, 3, 3, 0, 5, 8, 0, 7, 1, 9, 6, 8, 8, 0, 5, 8, 5, 6, 2, 2, 6, 6, 1, 1, 1, 8, 1, 1, 0, 8, 2, 0, 6, 1, 2, 8, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..109.

FORMULA

Equals A175314 divided by A175315.

Equals (exp(tau) + 1)/(exp(tau) - 1), where tau = 2*Pi = A019692. - Peter Luschny, May 22 2021

EXAMPLE

1.003741873197321288201552691194800017462452422...

MAPLE

Tau := 2*Pi: Digits := 120: (exp(Tau) + 1)/(exp(Tau) - 1):

evalf(%)*10^110: ListTools:-Reverse(convert(floor(%), base, 10)); # Peter Luschny, May 21 2021

MATHEMATICA

RealDigits[Coth[Pi], 10, 110][[1]] (* Georg Fischer, Apr 03 2020 *)

CROSSREFS

Cf. A175314, A175315, A019692.

Sequence in context: A272004 A010471 A077226 * A197145 A344427 A163335

Adjacent sequences:  A175313 A175314 A175315 * A175317 A175318 A175319

KEYWORD

cons,nonn

AUTHOR

R. J. Mathar, Apr 01 2010

EXTENSIONS

a(42) ff. corrected by Georg Fischer, Apr 03 2020

STATUS

approved

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Last modified August 1 14:14 EDT 2021. Contains 346391 sequences. (Running on oeis4.)