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A013539 Numerator of the coefficient [x^(2n+1)] of the Taylor series tan(cosec(x)-coth(x))= -x/6 +13*x^3/324 +877*x^5/816480 +2675*x^7/17635968 +... 0
-1, 13, 877, 2675, 8260913, 410433607, 223758294041, 27276568423051, 127639993821278611, 10512596641186789291, 8302408982767874894797, 3077103479886222660379217 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A182932 A189446 A123838 * A201255 A196695 A196728

Adjacent sequences:  A013536 A013537 A013538 * A013540 A013541 A013542

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 17 19:02 EST 2012. Contains 206078 sequences.