-14269domain: ZAppears in sequencesExpansion of (1-x)^(-1)/(1-2*x+x^2+2*x^3).at n=17A077857Expansion of (-1+3*x+2*x^2-8*x^3+3*x^5-2*x^6-2*x^7+x^8) / ((x-1)*(x+1)*(x^2-2*x-1)*(x^2+2*x-1)).at n=11A110225