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Search: id:A012107
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A012107 arctanh(arcsin(sinh(x)))=x+4/3!*x^3+84/5!*x^5+4432/7!*x^7+432144/9!*x^9... +0
1
1, 4, 84, 4432, 432144, 67336512, 15330202432, 4799825862912, 1978228668612864, 1038257514383795200, 676117122084133770240, 534973800492211106598912, 505535479689176978173726720 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A012139 A012037 A012025 this_sequence A012189 A012076 A109901

Adjacent sequences: A012104 A012105 A012106 this_sequence A012108 A012109 A012110

KEYWORD

nonn

AUTHOR

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

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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