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Search: id:A012223
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A012223 arcsin(arctan(tanh(x)))=x-3/3!*x^3+49/5!*x^5-2139/7!*x^7+181921/9!*x^9... +0
1
1, -3, 49, -2139, 181921, -25347539, 5231635473, -1498270773419, 568381637171521, -275844413823596835, 166680279670474243825, -122705715387723016322939, 108112687783657068510670305 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A012068 A012126 A012040 this_sequence A012100 A106842 A086459

Adjacent sequences: A012220 A012221 A012222 this_sequence A012224 A012225 A012226

KEYWORD

sign

AUTHOR

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

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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