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Search: id:A012118
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A012118 tanh(arcsin(arcsinh(x)))=x-2/3!*x^3+24/5!*x^5-664/7!*x^7+36096/9!*x^9... +0
1
1, -2, 24, -664, 36096, -3054336, 389859456, -67637286144, 15712242647040, -4624447960903680, 1704772464238264320, -762137182003035340800, 409146648871581200056320, -258451658825083238747013120 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A009447 A123741 A012216 this_sequence A012375 A012750 A009750

Adjacent sequences: A012115 A012116 A012117 this_sequence A012119 A012120 A012121

KEYWORD

sign

AUTHOR

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

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

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