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Search: id:A012661
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A012661 arcsinh(tanh(x)*exp(x))=x+2/2!*x^2-16/4!*x^4-60/5!*x^5+152/6!*x^6... +0
1
1, 2, 0, -16, -60, 152, 4200, 25664, -186480, -5704288, -39336000, 690642944, 20876856000, 130293779072, -5328943401600, -157981983410176, -643110850533120, 73817890476319232, 2117532947966822400 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Sequence in context: A098336 A116093 A012409 this_sequence A009528 A009198 A139003

Adjacent sequences: A012658 A012659 A012660 this_sequence A012662 A012663 A012664

KEYWORD

sign

AUTHOR

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

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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