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A012858 Numerator of [x^(4n+2)] in the Taylor series log(cosec(x)*sinh(x))= x^2/3 +2*x^6/2835 +2*x^10/467775 +4*x^14/127702575 +.. 1

%I

%S 1,2,2,4,87734,310732,2631724,13785346041608,303257395102,

%T 616840823966644,6080390575672283210764,207461256206578143748856,

%U 79209152838572743713996404

%N Numerator of [x^(4n+2)] in the Taylor series log(cosec(x)*sinh(x))= x^2/3 +2*x^6/2835 +2*x^10/467775 +4*x^14/127702575 +..

%Y Cf. A069853 (inner function), A202520 (denominators).

%K nonn,frac

%O 0,2

%A Patrick Demichel (patrick.demichel(AT)hp.com)

%E Values replaced by numerators. - R. J. Mathar, Dec 20 2011

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Last modified April 17 05:12 EDT 2021. Contains 343059 sequences. (Running on oeis4.)