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A012966 arcsinh(arctan(x)+log(x+1))=2*x-1/2!*x^2-8/3!*x^3+18/4!*x^4+306/5!*x^5... 0
2, -1, -8, 18, 306, -1905, -26532, 353388, 4334778, -110509245, -1021609008, 50779213254, 272982059658, -32111535861405, -11592260316252, 26485822571365080, -161024492765786958, -27356021208171990873 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

MATHEMATICA

With[{nn=20}, Rest[CoefficientList[Series[ArcSinh[ArcTan[x]+Log[x+1]], {x, 0, nn}], x]Range[0, nn]!]] (* From Harvey P. Dale, Jan 13 2012 *)

CROSSREFS

Sequence in context: A013118 A012961 A013124 * A168244 A009828 A084222

Adjacent sequences:  A012963 A012964 A012965 * A012967 A012968 A012969

KEYWORD

sign

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified February 15 23:34 EST 2012. Contains 205860 sequences.