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Search: id:A012551
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A012551 arctanh(sinh(x)*tan(x))=2/2!*x^2+12/4!*x^4+382/6!*x^6+23352/8!*x^8... +0
1
2, 12, 382, 23352, 2464922, 398069892, 91079960662, 28062488827632, 11197997254599602, 5618500857338248572, 3461960315033768973742, 2569953015248391982844712, 2262189595338137069466955082 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A131690 A012547 A009706 this_sequence A051009 A060942 A072446

Adjacent sequences: A012548 A012549 A012550 this_sequence A012552 A012553 A012554

KEYWORD

nonn

AUTHOR

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

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Last modified December 3 14:12 EST 2008. Contains 151279 sequences.

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