OFFSET
1,3
FORMULA
Conjecture: G.f.: x^2*(1-2*x+4*x^2-3*x^3+x^4) / ( (x-1)*(x^2+x-1)^5 ). - R. J. Mathar, May 04 2014
MATHEMATICA
(See A192248.)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jun 27 2011
STATUS
approved