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A013260
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Expansion of e.g.f. tan(log(x+1) - sinh(x)).
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0
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0, 0, -1, 1, -6, 23, -150, 929, -8120, 73387, -783720, 8979419, -114601608, 1572411917, -23422214816, 373361085733, -6370742969760, 115548671959175, -2223018007825536, 45175620448879391
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OFFSET
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0,5
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LINKS
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EXAMPLE
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-(1/2!)*x^2 + (1/3!)*x^3 - (6/4!)*x^4 + (23/5!)*x^5 - ...
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PROG
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(PARI) x = 'x + O('x^30); concat([0, 0], Vec(serlaplace(tan(log(x+1) - sinh(x))))) \\ Michel Marcus, Aug 03 2018
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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Patrick Demichel (patrick.demichel(AT)hp.com)
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EXTENSIONS
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a(0)=a(1)=0 inserted and title improved by Sean A. Irvine, Aug 02 2018
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STATUS
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approved
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