OFFSET
0,3
FORMULA
a(n) = s(n, 1)-s(n, 2)+s(n, 3), s(n, m)= signed Stirling numbers of the first kind.
E.g.f.: (1+x)^(-1)*(log(1+x)-log(1+x)^2/2+log(1+x)^3/6).
CROSSREFS
KEYWORD
easy,sign
AUTHOR
Paul Barry, Mar 05 2003
STATUS
approved