9085052domain: NAppears in sequencesExpansion of (1-4*x+3*x^2)/((1-2*x)*(1-4*x+x^2)).at n=13A087944Expansion of (1 - x)^4/((1 - x)^6 + x^6).at n=25A307089Number of paths of length n starting at initial node of the path graph P_11.at n=26A336678