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Search: id:A012106
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A012106 tanh(arcsin(sinh(x)))=x-4/5!*x^5+80/7!*x^7+5456/9!*x^9+511360/11!*x^11... +0
1
1, 0, -4, 80, 5456, 511360, 83316416, 18755459840, 5535063173376, 2088819464171520, 981883326234254336, 562564553455472742400, 385997167840660261687296, 312523332440480815021588480 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A013008 A013180 A000316 this_sequence A156103 A116189 A159063

Adjacent sequences: A012103 A012104 A012105 this_sequence A012107 A012108 A012109

KEYWORD

sign

AUTHOR

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

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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