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, 2, 2, 4, 87734, 310732, 2631724, 13785346041608, 303257395102, 616840823966644, 6080390575672283210764, 207461256206578143748856, 79209152838572743713996404

Offset

0,2

Links

Table of n, a(n) for n=0..12.

Crossrefs

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

Sequence in context: A267346 A372238 A264933 * A366756 A363842 A292383

Adjacent sequences: A012855 A012856 A012857 * A012859 A012860 A012861

Keyword

nonn,frac

Author

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

Extensions

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

Status

approved