%0 Journal Article
%T Recursive determination of the enumerator for sums of three squares
%A John A. Ewell
%J International Journal of Mathematics and Mathematical Sciences
%D 2000
%I Hindawi Publishing Corporation
%R 10.1155/s0161171200003902
%X For each nonnegative integer n, r3(n) denotes the number of representations of n by sums of three squares. Here presented is a two-step recursive scheme for computing r3(n), n≥0.
%U http://www.hindawi.com/journals/ijmms/2000/584813/abs/