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Search: id:A012932
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A012932 arctanh(tan(x)+log(x+1))=2*x-1/2!*x^2+20/3!*x^3-54/4!*x^4+1188/5!*x^5... +0
1
2, -1, 20, -54, 1188, -7590, 181632, -2019080, 53249472, -874603440, 25606617472, -562552304160, 18326040005024, -504598523011856, 18267771678474112, -603047158364227200, 24178616400492978432 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A103244 A012927 A013158 this_sequence A013163 A009768 A051492

Adjacent sequences: A012929 A012930 A012931 this_sequence A012933 A012934 A012935

KEYWORD

sign

AUTHOR

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

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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