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Search: id:A012746
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A012746 arctanh(atanh(x)*cos(x))=x+1/3!*x^3+13/5!*x^5+677/7!*x^7+54937/9!*x^9... +0
1
1, 1, 13, 677, 54937, 6248713, 988579109, 212756765101, 60179200959793, 21632158018229009, 9619077100099258429, 5182270736688171740085, 3326876613520624630798281, 2509818428217896837411045913 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A068232 A092547 A042307 this_sequence A113093 A108223 A114355

Adjacent sequences: A012743 A012744 A012745 this_sequence A012747 A012748 A012749

KEYWORD

nonn

AUTHOR

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

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Last modified December 4 14:15 EST 2008. Contains 151279 sequences.

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