-107578520350domain: ZAppears in sequencesExpansion of 1/(1 + 2*x - x^2).at n=29A077985a(n+8)+34*a(n+4)+a(n)=0 with a(0)-a(7) as shown.at n=28A259861a(n+8)+34*a(n+4)+a(n)=0 with a(0)-a(7) as shown.at n=29A259861