OFFSET
3,2
LINKS
Knopfmacher, Arnold; Munagi, Augustine O. Smallest parts in compositions, Kotsireas, Ilias S. (ed.) et al., Advances in combinatorics. 3rd Waterloo workshop on computer algebra (WWCA, W80) 2011, Waterloo, Canada, May 26-29, 2011. Berlin: Springer. 197-207 (2013), V'(z,1,1).
FORMULA
G.f.: (x-1)^2*sum_{j>=1} x^(2*j+1)/((1-x-x^j)*(1-x-x^(j+1))^2).
MAPLE
(z-1)^2*add(z^(2*j+1)/(1-z-z^j)/(z^(j+1)+z-1)^2, j=1..34) ;
taylor(%, z=0, 32) ;
gfun[seriestolist](%) ;
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
R. J. Mathar, Jun 12 2019
STATUS
approved