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A009280 Expansion of exp(x)*cos(ln(1+x)). 0
1, 1, 0, 1, -3, 11, -54, 295, -1859, 13057, -100804, 840841, -7439935, 68148731, -620549058, 5116464431, -25440998439, -377177742815, 19125593995896, -562210227462223, 14622324046506341, -367386349871225269 (list; graph; refs; listen; history; internal format)
OFFSET

0,5

MATHEMATICA

Exp[ x ]*Cos[ Log[ 1+x ] ]

CROSSREFS

Sequence in context: A129093 A057325 A054700 * A095707 A094259 A091845

Adjacent sequences:  A009277 A009278 A009279 * A009281 A009282 A009283

KEYWORD

sign,easy

AUTHOR

R. H. Hardin (rhhardin(AT)att.net)

EXTENSIONS

Extended with signs Mar 15 1997 by Olivier Gerard.

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Last modified February 17 11:42 EST 2012. Contains 206011 sequences.