A009405 Expansion of log(1+x)*cos(log(1+x)).

0, 1, -1, -1, 12, -76, 480, -3284, 24752, -205620, 1874340, -18639820, 201028080, -2337859200, 29162187600, -388263812000, 5492326876800, -82195910554800, 1296105033322800, -21449073720082000, 371056401062968000

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