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A012910
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E.g.f.: sech(arcsin(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+53/4!*x^4-310/5!*x^5...
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0
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1, 0, -4, 6, 53, -310, -1180, 21945, -3175, -2137140, 11656250, 251460275, -3687426175, -28037901450, 1119181111100, -870863209125, -357796134031375, 3533382651695000, 115201679883533750
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OFFSET
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0,3
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LINKS
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Table of n, a(n) for n=0..18.
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MATHEMATICA
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With[{nn=20}, CoefficientList[Series[Sech[ArcSin[x]+Log[x+1]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Mar 17 2015 *)
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CROSSREFS
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Sequence in context: A012933 A013164 A013024 * A259133 A131847 A351733
Adjacent sequences: A012907 A012908 A012909 * A012911 A012912 A012913
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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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Definition clarified by Harvey P. Dale, Mar 17 2015
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STATUS
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approved
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