Question: plot in 3d function of recurrence relation

Dear all,

I am trying to built in 3d function of recurrence relation

V(i)=a*V(i-1)-V(i-2); a=const; initial conditions: V(i-1)=-1; V(i-2)=-2.

An axes of a three-dimensional surface have to be: V(i); V(i-1); i.

Is it possible? I don't have no idea how to do this, but I have to do it. All hope to you.

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