Integers: Electronic Journal of Combinatorial Number Theory
State University of West Georgia, Charles University, and DIMATIA
Recently Agoh and Dilcher proved a convolution identity involving Stirling numbers S(n, r) of the second kind. We prove an identity where S(n, r) is replaced by a more general doubly-indexed family A(n, r). Another admissible choice for A(n, r) is the family of Stirling numbers of the first kind.