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A009436 Expansion of log(1+x)/exp(sin(x)). 0
0, 1, -3, 8, -20, 59, -261, 1665, -12368, 99945, -888961, 8802045, -96423788, 1154791637, -14982150197, 209295667833, -3133083877248, 50039962416625, -849332973526881, 15266142375582901, -289679348425382572 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

FORMULA

a(n) ~ (n-1)! * (-1)^(n+1) * exp(sin(1)). - Vaclav Kotesovec, Jan 23 2015

MATHEMATICA

Log[ 1+x ]/Exp[ Sin[ x ] ]

CoefficientList[Series[Log[1 + x]/E^Sin[x], {x, 0, 20}], x] * Range[0, 20]! (* Vaclav Kotesovec, Jan 23 2015 *)

CROSSREFS

Sequence in context: A122228 A018790 A268042 * A354519 A302674 A108189

Adjacent sequences: A009433 A009434 A009435 * A009437 A009438 A009439

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 March 29 01:21 EDT 2023. Contains 361596 sequences. (Running on oeis4.)