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A013374
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arcsinh(sin(x)-sinh(x))=-2/3!*x^3-2/7!*x^7+2240/9!*x^9-2/11!*x^11...
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-2, 0, -2, 2240, -2, 137280, -403603202, 10325120, -223480857602, 1042911543845760, -119078050291202, 2638564062897339200, -16807721436490038912002, 5561493227350293205440
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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MATHEMATICA
| With[{nn=40}, Take[Drop[CoefficientList[Series[ArcSinh[Sin[x]-Sinh[x]], {x, 0, nn}], x]Range[0, nn-1]!, 2], {2, -1, 2}]] (* From Harvey P. Dale, Oct 19 2011 *)
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CROSSREFS
| Sequence in context: A056949 A012622 A013370 * A013371 A013372 A080300
Adjacent sequences: A013371 A013372 A013373 * A013375 A013376 A013377
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KEYWORD
| sign
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AUTHOR
| Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)
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