The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A013542 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A013542

Numerator of the coefficient [x^(2n+1)] of the Taylor series sinh(cosec(x) - coth(x)).
(history; published version)

#18 by Michel Marcus at Sun Nov 13 06:56:42 EST 2016

STATUS

reviewed

approved

#17 by Joerg Arndt at Sun Nov 13 06:19:44 EST 2016

STATUS

proposed

reviewed

#16 by Jon E. Schoenfield at Sun Nov 13 04:13:35 EST 2016

STATUS

editing

proposed

#15 by Jon E. Schoenfield at Sun Nov 13 04:13:33 EST 2016

NAME

Numerator of the coefficient [x^(2n+1)] of the Taylor series sinh(cosec(x) - coth(x)).

EXAMPLE

-x/6 + 53*x^3/1296 + 3341*x^5/6531840 + 391337*x^7/1410877440 + ...

STATUS

proposed

editing

#14 by Michel Marcus at Sun Nov 13 02:55:38 EST 2016

STATUS

editing

proposed

#13 by Michel Marcus at Sun Nov 13 02:55:31 EST 2016

NAME

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 +...

EXAMPLE

-x/6 +53*x^3/1296 +3341*x^5/6531840 +391337*x^7/1410877440 +...

STATUS

proposed

editing

#12 by G. C. Greubel at Sun Nov 13 02:38:14 EST 2016

STATUS

editing

proposed

#11 by G. C. Greubel at Sun Nov 13 02:38:04 EST 2016

LINKS

G. C. Greubel, <a href="/A013542/b013542.txt">Table of n, a(n) for n = 0..193</a>

MATHEMATICA

Numerator[Take[CoefficientList[Series[Sinh[Csc[x] - Coth[x]], {x, 0, 26}], x], {2, -1, 2}]] (* G. C. Greubel, Nov 13 2016 *)

STATUS

approved

editing

#10 by N. J. A. Sloane at Sat Nov 12 08:10:21 EST 2016

STATUS

proposed

approved

#9 by Jon E. Schoenfield at Fri Nov 11 22:36:44 EST 2016

STATUS

editing

proposed