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Search: id:A013158
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A013158 tan(arctanh(x)+log(x+1))=2*x-1/2!*x^2+20/3!*x^3-54/4!*x^4+940/5!*x^5... +0
1
2, -1, 20, -54, 940, -5670, 101440, -1011080, 19618000, -276748200, 5948856800, -108391285200, 2598850748000, -57723908897200, 1543071734672000, -40212272774544000, 1193617208821024000 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Adjacent sequences: A013155 A013156 A013157 this_sequence A013159 A013160 A013161

Sequence in context: A066753 A103244 A012927 this_sequence A012932 A013163 A009768

KEYWORD

sign

AUTHOR

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

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

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