OFFSET
0,7
FORMULA
G.f.: (x^6+x^4+x^3-3*x^2+3*x-1) / ((2*x-1) * (x+1) * (x^2+1)/(2*x^2-2*x+1)).
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Sean A. Irvine, Nov 21 2024
STATUS
approved