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A202520 Denominator 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 3,2835,467775,127702575,350813659321125,147926426347074375,

%T 144228265688397515625,84913182070036240111050234375,

%U 206217727884373725983979140625,45665884751355139750522260795703125,48463572986198162681964482985158015982421875,176412350932310924219767245054034888177646484375

%N Denominator 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 +...

%C Apparently (almost) a bisection of A046989.

%Y Cf. A012858 (numerators).

%K nonn,frac

%O 0,1

%A _R. J. Mathar_, Dec 20 2011

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Last modified February 6 20:45 EST 2023. Contains 360111 sequences. (Running on oeis4.)