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Search: id:A012226
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A012226 arcsinh(arctan(tanh(x)))=x-5/3!*x^3+129/5!*x^5-8189/7!*x^7... +0
1
1, -5, 129, -8189, 972609, -186825429, 53036534017, -20924521480269, 10970414196349569, -7386311927549483045, 6216439933812148586625, -6398271924540885631183389, 7909256594572491509610323905 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A012176 A012187 A012083 this_sequence A069078 A003732 A048434

Adjacent sequences: A012223 A012224 A012225 this_sequence A012227 A012228 A012229

KEYWORD

sign

AUTHOR

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

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Last modified August 29 16:48 EDT 2008. Contains 143238 sequences.

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