OFFSET
0,7
LINKS
Matthew House, Table of n, a(n) for n = 0..486
FORMULA
a(n) ~ (n-1)! * (-1)^(n+1) * 2^(n+1) / (exp(Pi/2) * Pi^n). - Vaclav Kotesovec, Jan 23 2015
a(n) = Sum_{j=0..n-1}(-1)^j*binomial(n,j+1)*A000111(j). - Robert Israel, Aug 06 2015
MAPLE
S:= series(log(1+sin(x))*exp(x), x, 101):
seq(coeff(S, x, j)*j!, j=0..100); # Robert Israel, Aug 06 2015
MATHEMATICA
CoefficientList[Series[E^x*Log[1 + Sin[x]], {x, 0, 20}], x] * Range[0, 20]! (* Vaclav Kotesovec, Jan 23 2015 *)
CROSSREFS
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
STATUS
approved