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Search: id:A013108
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A013108 cos(arcsinh(x)+arctan(x))=1-4/2!*x^2+40/4!*x^4-1030/6!*x^6+51160/8!*x^8... +0
1
1, -4, 40, -1030, 51160, -4176250, 507867100, -86130937750, 19429666282000, -5626346310003250, 2034312191276462500, -898279284686285368750, 475692945053706430375000, -297573010648301986578906250 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Sequence in context: A117251 A012957 A012977 this_sequence A111846 A102922 A139688

Adjacent sequences: A013105 A013106 A013107 this_sequence A013109 A013110 A013111

KEYWORD

sign

AUTHOR

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

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.


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