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Search: id:A012271
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A012271 arcsinh(log(x+1)*log(x+1))=2/2!*x^2-6/3!*x^3+22/4!*x^4-100/5!*x^5... +0
1
2, -6, 22, -100, 428, -1008, -12504, 325152, -5267448, 72020520, -835748520, 6577169040, 36671947440, -3513587807520, 114499586712000, -2893590831936000, 61563908486205600, -1035793335840588000 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Sequence in context: A012269 A012272 A009789 this_sequence A012266 A009468 A088819

Adjacent sequences: A012268 A012269 A012270 this_sequence A012272 A012273 A012274

KEYWORD

sign

AUTHOR

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

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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