2590589domain: NPropertiesPrimalityPrimeyesAppears in sequencesTau-functions of the q-discrete Painlevé I equation, f(n+1) = (A*q^n*f(n) + B)/(f(n)^2*f(n-1)), for q=2 and A=B=1, with f(n) = a(n+1)*a(n-1)/a(n)^2.at n=9A095708Prime numbersat n=189245