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A013076 tanh(arcsinh(x)+log(x+1))=2*x-1/2!*x^2-15/3!*x^3+42/4!*x^4+405/5!*x^5... 0
2, -1, -15, 42, 405, -2970, -20475, 335160, 1357965, -54999000, -31340925, 12203314200, -48569546025, -3449672226000, 35421501740625, 1174230285228000, -23134846868508375, -448847662070808000 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A141510 A039652 A012894 * A012890 A013073 A184232

Adjacent sequences:  A013073 A013074 A013075 * A013077 A013078 A013079

KEYWORD

sign

AUTHOR

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

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Last modified February 14 11:36 EST 2012. Contains 205623 sequences.