219603domain: NAppears in sequencesExpansion of x*(1+3*x+2*x^2)/((1+x+x^2)*(1-x-x^2)).at n=26A100886Expansion of (x^2-2*x)/(x^4-x^2+2*x-1).at n=26A108014Clique covering number, independence number, and Shannon capacity of the n-Lucas cube graph.at n=26A364587