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A202383 Denominators of coefficients in Taylor series expansion of log(cosec(x)*tanh(x)). 1
1, 6, 12, 2835, 2520, 467775, 935550, 127702575, 10216206000, 31892150847375, 18561569276250, 147926426347074375, 34806217964017500, 144228265688397515625, 9086380738369043484375, 3691877481305923483089140625, 3920955016221009644377500000, 206217727884373725983979140625, 43305722855718482456635619531250 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..18.

EXAMPLE

-1/6*x^2+1/12*x^4-61/2835*x^6+17/2520*x^8-1021/467775*x^10+691/935550*x^12-...

CROSSREFS

Cf. A012860.

Sequence in context: A032511 A036900 A159282 * A216423 A229336 A070396

Adjacent sequences:  A202380 A202381 A202382 * A202384 A202385 A202386

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane, Dec 18 2011

STATUS

approved

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Last modified April 6 21:24 EDT 2020. Contains 333286 sequences. (Running on oeis4.)