OFFSET
1,2
FORMULA
Empirical g.f.: x^2*(x^16-2*x^15+x^14+x^4-2*x^2-x-2) / ((x-1)^3*(x+1)*(x^2+1)). - Colin Barker, Aug 16 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Jul 06 2019
STATUS
approved