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Search: id:A012224
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A012224 arctan(atan(tanh(x)))=x-6/3!*x^3+184/5!*x^5-13584/7!*x^7... +0
1
1, -6, 184, -13584, 1840768, -397140224, 124961670144, -54024939321344, 30732245464219648, -22258174840910315520, 20000813079319781048320, -21837489688957057049821184, 28476242253811580631861166080 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A012221 A012222 A012223 this_sequence A012225 A012226 A012227

Sequence in context: A089905 A012208 A012181 this_sequence A037298 A015004 A129046

KEYWORD

sign

AUTHOR

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

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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