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A012926
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Expansion of e.g.f. arcsin(tan(x) + log(x+1)).
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0
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0, 2, -1, 12, -30, 518, -3135, 64792, -691180, 16502714, -261559125, 7121210052, -151437029370, 4664635385070, -124619795266603, 4313193388041072, -138442144387249560, 5347435223354818034, -199835788440955821417
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OFFSET
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0,2
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LINKS
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Table of n, a(n) for n=0..18.
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EXAMPLE
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2*x - 1/2!*x^2 + 12/3!*x^3 - 30/4!*x^4 + 518/5!*x^5 ...
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MATHEMATICA
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With[{nn=20}, CoefficientList[Series[ArcSin[Tan[x]+Log[x+1]], {x, 0, nn}], x] Range[ 0, nn]!] (* Harvey P. Dale, Nov 17 2020 *)
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CROSSREFS
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Sequence in context: A290533 A012929 A013161 * A013157 A062742 A009821
Adjacent sequences: A012923 A012924 A012925 * A012927 A012928 A012929
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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) inserted and title improved by Sean A. Irvine, Jul 27 2018
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STATUS
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approved
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