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A202619 Denominators of coefficients in Taylor series expansion of log(cotan(x)*log(x+1)). 1
1, 2, 8, 8, 320, 288, 1920, 17280, 5806080, 89600, 87091200, 17418240, 1494484992000, 402361344000, 62768369664000, 295206912, 4097519171665920, 342372925440000, 256094948229120000, 5377993912811520000, 5573557327822848000000, 89903156428800000, 32371220959995101184000, 73570956727261593600000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..23.

EXAMPLE

-1/2*x-1/8*x^2-1/8*x^3+3/320*x^4-19/288*x^5+59/1920*x^6-751/17280*x^7+...

CROSSREFS

Cf. A012863.

Sequence in context: A156052 A170923 A083523 * A202379 A009181 A009666

Adjacent sequences: A202616 A202617 A202618 * A202620 A202621 A202622

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane, Dec 21 2011

STATUS

approved

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Last modified December 1 17:49 EST 2022. Contains 358475 sequences. (Running on oeis4.)