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Search: id:A012042
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A012042 arctanh(sin(arcsinh(x)))=x+4/5!*x^5-80/7!*x^7+4240/9!*x^9-342400/11!*x^11... +0
1
1, 0, 4, -80, 4240, -342400, 41806400, -7093216000, 1601470624000, -464003651072000, 167847611351680000, -74143433704737280000, 39275771932443138560000, -24575763662119940608000000 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A012923 A012922 A013090 this_sequence A013139 A013007 A013008

Adjacent sequences: A012039 A012040 A012041 this_sequence A012043 A012044 A012045

KEYWORD

sign

AUTHOR

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

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.

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