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Search: id:A012842
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A012842 arcsin(sec(x)*arctanh(x))=x+6/3!*x^3+128/5!*x^5+7000/7!*x^7... +0
1
1, 6, 128, 7000, 757760, 137329280, 37511412352, 14396574922496, 7385535722319872, 4879586077682790400, 4034467892180241121280, 4080124101723746610511872, 4954185596977233058289319936 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A012839 A012840 A012841 this_sequence A012843 A012844 A012845

Sequence in context: A081623 A089314 A111873 this_sequence A012638 A095695 A000907

KEYWORD

nonn

AUTHOR

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

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Last modified May 13 01:46 EDT 2008. Contains 139661 sequences.

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