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A009405 Expansion of log(1+x)*cos(log(1+x)). 0
0, 1, -1, -1, 12, -76, 480, -3284, 24752, -205620, 1874340, -18639820, 201028080, -2337859200, 29162187600, -388263812000, 5492326876800, -82195910554800, 1296105033322800, -21449073720082000, 371056401062968000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

LINKS

Table of n, a(n) for n=0..20.

MATHEMATICA

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

CROSSREFS

Sequence in context: A044199 A044580 A075279 * A009839 A190066 A335253

Adjacent sequences: A009402 A009403 A009404 * A009406 A009407 A009408

KEYWORD

sign,easy

AUTHOR

R. H. Hardin

EXTENSIONS

Extended with signs by Olivier Gérard, Mar 15 1997

STATUS

approved

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Last modified January 29 23:01 EST 2023. Contains 359939 sequences. (Running on oeis4.)