-699050
domain: Z
Appears in sequences
- Expansion of (1-x)/(1+x+2*x^2+2*x^3).at n=42A078052
- A generalized Jacobsthal sequence.at n=20A083944
- Expansion of (1+x^2)/((1-x+x^2)*(1+2*x^2)).at n=42A102517
- a(n)= -3a(n-1) -3a(n-2)-2a(n-3), a(0)=1, a(1)=-2, a(2)=2.at n=21A131562
- First differences of A133730.at n=43A141416
- G.f.: (1+x)/(1+x-2*x^2).at n=21A151575