OFFSET
1,2
FORMULA
Conjecture: G.f.: -x*(1+2*x+7*x^2-x^3-4*x^4+2*x^5) / ( (x^2+1) *(x^2-x-1) *(x^2+x-1)^2 ). - R. J. Mathar, Apr 27 2020
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved