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Search: id:A012440
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A012440 arctanh(atan(x)*arcsin(x))=2/2!*x^2-4/4!*x^4+398/6!*x^6-10344/8!*x^8... +0
1
2, -4, 398, -10344, 2050362, -188329260, 60987377670, -12776749381200, 6138167322301170, -2341662552659308500, 1574696831249089102590, -954442874464228447345080, 862598218425468174866650410 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A012557 A012562 A012753 this_sequence A058172 A122808 A009562

Adjacent sequences: A012437 A012438 A012439 this_sequence A012441 A012442 A012443

KEYWORD

sign

AUTHOR

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

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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