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Search: id:A012199
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A012199 tanh(arctan(arcsin(x)))=x-3/3!*x^3+49/5!*x^5-1691/7!*x^7+108961/9!*x^9... +0
1
1, -3, 49, -1691, 108961, -10415699, 1476822801, -274051642731, 68034310337345, -20698489943585315, 7945165226724184305, -3587174193714146380475, 1968139895275233488888545 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A063777 A067788 A061185 this_sequence A062961 A012206 A012094

Adjacent sequences: A012196 A012197 A012198 this_sequence A012200 A012201 A012202

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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