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A073745 Decimal expansion of csch(1). 7
8, 5, 0, 9, 1, 8, 1, 2, 8, 2, 3, 9, 3, 2, 1, 5, 4, 5, 1, 3, 3, 8, 4, 2, 7, 6, 3, 2, 8, 7, 1, 7, 5, 2, 8, 4, 1, 8, 1, 7, 2, 4, 6, 6, 0, 9, 1, 0, 3, 3, 9, 6, 1, 6, 9, 9, 0, 4, 2, 1, 1, 5, 1, 7, 2, 9, 0, 0, 3, 3, 6, 4, 3, 2, 1, 4, 6, 5, 1, 0, 3, 8, 9, 9, 7, 3, 0, 1, 7, 7, 3, 2, 8, 8, 9, 3, 8, 1, 2, 3, 6, 2, 4, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

csch(x) = 2/(e^x - e^(-x)).

REFERENCES

S. Selby, editor, CRC Basic Mathematical Tables, CRC Press, 1970, p. 218.

LINKS

Ivan Panchenko, Table of n, a(n) for n = 0..1000

Eric Weisstein's World of Mathematics, Hyperbolic Cosecant.

Eric Weisstein's World of Mathematics, Hyperbolic Functions.

EXAMPLE

0.85091812823932154513384276328...

PROG

(PARI) 1/sinh(1)

CROSSREFS

Cf. A068139 (continued fraction), A073742 (sinh(1)=1/A073745), A073743 (cosh(1)), A073744 (tanh(1)), A073746 (sech(1)), A073747 (coth(1)).

Sequence in context: A197841 A143347 A073448 * A086730 A249449 A258988

Adjacent sequences:  A073742 A073743 A073744 * A073746 A073747 A073748

KEYWORD

cons,nonn

AUTHOR

Rick L. Shepherd, Aug 07 2002

STATUS

approved

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Last modified August 18 08:45 EDT 2017. Contains 290685 sequences.