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A013542 Numerator of the coefficient [x^(2n+1)] of the Taylor series sinh(cosec(x)-coth(x)) = -x/6 +53*x^3/1296 +3341*x^5/6531840 +391337*x^7/1410877440 +... 0
-1, 53, 3341, 391337, 710371933, 6178130243, 225570264096917, 1546226961439379, 5665951032145572087083, -1602619428542796266047, 218332153959703843484481031721, -149315097238822774731841867 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

A bisection of A013536. Denominators appear to be a bisection of A202382.

CROSSREFS

Sequence in context: A017716 A180365 A059694 * A200917 A088784 A104820

Adjacent sequences:  A013539 A013540 A013541 * A013543 A013544 A013545

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 14 22:22 EST 2012. Contains 205678 sequences.