OFFSET
1,2
COMMENTS
FORMULA
Empirical g.f.: -x^2*(x^7-x^6-110*x^4+90*x^3-20*x^2-11*x-9) / (x^9-101*x^6-101*x^3+1). - Colin Barker, Jun 04 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Sep 21 2011
STATUS
approved