Rn(x)=Rn(x;α,β,γ,δ|q)==0nq(qn,αβqn+1;q)(αq,βδq,γq,q;q)j=01(1qjx+γδq2j+1)=ϕ34(qn,αβqn+1,qy,γδqy+1αq,βδq,γq;q,q),