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Search: id:A012175
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A012175 sin(tan(arctanh(x)))=x+3/3!*x^3+41/5!*x^5+1019/7!*x^7+12305/9!*x^9... +0
1
1, 3, 41, 1019, 12305, -7478221, -3005647943, -1143787246421, -494108406644959, -250135591701350045, -148735005859748997559, -103273288933359010564517, -83050756624193183081902799 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A073844 A138961 A075022 this_sequence A007313 A012053 A012162

Adjacent sequences: A012172 A012173 A012174 this_sequence A012176 A012177 A012178

KEYWORD

sign

AUTHOR

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

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.

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