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A003708 Expansion of tan(ln(1+x)).
(Formerly M3547)
+0
1
0, 1, -1, 4, -18, 110, -810, 7040, -70280, 792200, -9945000, 137550400, -2077719600, 34026132400, -600433397200, 11356783360000, -229193571984000, 4915556301968000, -111644265232656000, 2676908220027392000 (list; graph; listen)
OFFSET

0,4

MATHEMATICA

Tan[ Log[ 1+x ] ]

CROSSREFS

Adjacent sequences: A003705 A003706 A003707 this_sequence A003709 A003710 A003711

Sequence in context: A020114 A009597 A060223 this_sequence A000986 A143920 A113356

KEYWORD

sign

AUTHOR

R. H. Hardin (rhh(AT)cadence.com), Simon Plouffe (plouffe(AT)math.uqam.ca)

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.


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