-35113

Appears in sequences

• G.f.: -(1-3*x^2-x^3)/(1+4*x-4*x^3-x^4).at n=8A097948
• a(n,m) =Floor[N[(-2 + Sqrt[3])^n + (-2 - Sqrt[3])^n]/2^m].at n=37A117809