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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
3, 2835, 467775, 127702575, 350813659321125, 147926426347074375, 144228265688397515625, 84913182070036240111050234375, 206217727884373725983979140625, 45665884751355139750522260795703125, 48463572986198162681964482985158015982421875, 176412350932310924219767245054034888177646484375
OFFSET
0,1
COMMENTS
Apparently (almost) a bisection of A046989.
CROSSREFS
Cf. A012858 (numerators).
Sequence in context: A034316 A247838 A003534 * A281928 A036520 A359130
KEYWORD
nonn,frac
AUTHOR
R. J. Mathar, Dec 20 2011
STATUS
approved