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Search: id:A013175
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A013175 sin(arctanh(x)+atan(x))=2*x-8/3!*x^3+80/5!*x^5-4160/7!*x^7... +0
1
2, -8, 80, -4160, 177920, -25548800, 2560563200, -702660608000, 129295622144000, -57197188186112000, 16886573106790400000, -10912577096233779200000, 4743735379760119808000000 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A134529 A134054 A134086 this_sequence A120820 A134089 A136647

Adjacent sequences: A013172 A013173 A013174 this_sequence A013176 A013177 A013178

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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