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Search: id:A012745
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A012745 arcsinh(arctanh(x)*cos(x))=x-2/3!*x^3+28/5!*x^5-520/7!*x^7+59728/9!*x^9... +0
1
1, -2, 28, -520, 59728, -3842720, 963273920, -151564390016, 60786495498496, -18563464667034112, 10709479914780654592, -5442000735745663911936, 4284121800522638439469056, -3262273090906052050909765632 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A092801 A061629 A011944 this_sequence A098631 A089836 A090249

Adjacent sequences: A012742 A012743 A012744 this_sequence A012746 A012747 A012748

KEYWORD

sign

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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