Laguerre-Freud Equations for three families of hypergeometrical discrete orthogonal polynomials

The Cholesky factorization of the moment matrix is considered for discrete orthogonal polynomials of hypergeometrical type. We derive the Laguerre-Freud equations when the first moments of the weights are given by the ${}_1{F}_2$, ${}_2{F}_2$ and ${}_3{F}_2$ generalized hypergeometrical functions.