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A091019
Denominators of the Taylor series of arccosh(z)/sqrt(2(x-1)) about 1.
0
1, 12, 160, 896, 18432, 90112, 851968, 1310720, 142606336, 637534208, 5637144576, 24696061952, 429496729600, 1855425871872, 15942918602752, 68169720922112, 1548112371908608, 3940649673949184, 166633186212708352
OFFSET
0,2
COMMENTS
Numerators are A055786.
LINKS
Q. Wei, R. Onofrio, Edge effects in electrostatic calibrations for the measurement of the Casimir force, Phys. Lett. A 374 (2010) 2230-2234.
Eric Weisstein's World of Mathematics, Inverse Hyperbolic Cosecant
EXAMPLE
Arccosh(z) = 1 + (1 - z)/12 + (3*(-1 + z)^2)/160 - (5*(-1 + z)^3)/896 + (35*(-1 + z)^4)/18432 - (63*(-1 + z)^5)/90112 + ...
CROSSREFS
Cf. A055786.
Sequence in context: A286721 A349154 A112719 * A355844 A219418 A098400
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Dec 13 2003
STATUS
approved