-10460353203domain: ZAppears in sequencesExpansion of (1-3*x+12*x^2)/((1-3*x)*(1+3*x)).at n=21A091103Inverse binomial transform of A140962.at n=23A141413a(n) = 3*a(n-1) - 9*a(n-2), with a(0)=0, a(1)=1.at n=22A190963Powers of -3: a(n) = (-3)^n.at n=21A352779