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Search: id:A013266
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A013266 arctanh(log(x+1)-sinh(x))=-1/2!*x^2+1/3!*x^3-6/4!*x^4+23/5!*x^5... +0
1
-1, 1, -6, 23, -150, 929, -8120, 73387, -791280, 9118019, -118205208, 1645324757, -25017568576, 407175866733, -7122304020000, 132554586404695, -2623938745643136, 54936833779465199 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A013259 A012468 A013260 this_sequence A154420 A052697 A029592

Adjacent sequences: A013263 A013264 A013265 this_sequence A013267 A013268 A013269

KEYWORD

sign

AUTHOR

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

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

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