OFFSET
2,1
FORMULA
G.f.: x^2*(21-37*x+14*x^3-8*x^4)/(1+2*x^5-7*x+9*x^2+x^3-4*x^4). - Vladeta Jovovic, Jul 02 2003
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 14 2002
STATUS
approved