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Search: id:A012135
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A012135 arcsin(arcsin(arctanh(x)))=x+4/3!*x^3+92/5!*x^5+5272/7!*x^7+567440/9!*x^9... +0
1
1, 4, 92, 5272, 567440, 98979200, 25530690624, 9147312168576, 4349983363258624, 2652517304182955008, 2018610268528861424640, 1875904660571518053251072, 2091013498538531655993561088 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A012132 A012133 A012134 this_sequence A012136 A012137 A012138

Sequence in context: A003737 A012071 A012217 this_sequence A050878 A030246 A116160

KEYWORD

nonn

AUTHOR

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

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

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