OFFSET
0,2
FORMULA
Empirical g.f.: 2*x*(x^10+3*x^9-x^8-4*x^7-5*x^6-4*x^5-2*x^3-4*x^2-5*x-5) / ((x-1)^3*(x+1)^2*(x^2+1)*(x^2+x+1)). - Colin Barker, May 04 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved