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A013517
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Denominator of [x^(2n+1)] in the Taylor expansion sin(cosec(x)-cot(x))= x/2 + x^3/48 - x^5/1280 - 55*x^7/129024 - 143*x^9/1769472 + ...
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0
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OFFSET
| 0,1
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COMMENTS
| Numerators are apparently provided by A096664.
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EXAMPLE
| sin(cosec(x)-cot(x)) = x/(2^1*1!) + x^3/(2^3*3!) -3*x^5/(2^5*5!) -275*x^7/(2^7*7!) -15015*x^9/(2^9*9!) -968167*x^11/(2^11*11!) +... (apparently covered by A003706)
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CROSSREFS
| Sequence in context: A012803 A135394 A010046 * A027509 A186284 A119695
Adjacent sequences: A013514 A013515 A013516 * A013518 A013519 A013520
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KEYWORD
| sign,frac
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AUTHOR
| Patrick Demichel (patrick.demichel(AT)hp.com)
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EXTENSIONS
| Corrected by R. J. Mathar, Dec 18 2011
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