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Search: id:A012071
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A012071 arctanh(arcsin(arcsin(x)))=x+4/3!*x^3+92/5!*x^5+5160/7!*x^7+532880/9!*x^9... +0
1
1, 4, 92, 5160, 532880, 87726464, 21073486912, 6956206790528, 3020988238174464, 1670080968001854464, 1145224829994344492032, 953987340413779610175488, 948917210079076407043002368 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A012068 A012069 A012070 this_sequence A012072 A012073 A012074

Sequence in context: A065574 A113252 A003737 this_sequence A012217 A012135 A050878

KEYWORD

nonn

AUTHOR

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

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

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