OFFSET
1,3
COMMENTS
FORMULA
Empirical g.f.: x^2*(x^4+3*x^3+6*x^2+3*x+1) / (x^6-14*x^3+1). - Colin Barker, Dec 30 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
Richard R. Forberg, Nov 30 2013
STATUS
approved