115939domain: NAppears in sequencesa(n) = A027052(n, 2n-6).at n=11A027062Expansion of -x*(8*x^2-4*x+1) / ((2*x-1)*(4*x^2-x+1)).at n=17A112260Recurrence sequence a(n)=a(n-1)^2-a(n-1)-1, a(0)=3.at n=4A144743