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A013543 Numerator of the coefficient [x^(2n+1)] of the Taylor series arcsinh(cosec(x)-coth(x))= -x/6 +55*x^3/1296 -95*x^5/145152 +18167*x^7/31352832-... 0
-1, 55, -95, 18167, -22118287, 51054985, -10169116451, 211416785949641, -36975734097804001, 764839113579826244863, -45988950723178614316250507, 61286790868827586032169553, -25771544562210083470157315437 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A063131 A128880 A039596 * A115377 A146145 A044144

Adjacent sequences:  A013540 A013541 A013542 * A013544 A013545 A013546

KEYWORD

sign,frac

AUTHOR

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

EXTENSIONS

Values replaced by numerators. - R. J. Mathar, Dec 21 2011

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Last modified February 16 02:51 EST 2012. Contains 205860 sequences.