Lagrange ’ s Theorem and Thin Subsequences of Squares

@inproceedings{Erdijs2001LagrangeS,
title={Lagrange ’ s Theorem and Thin Subsequences of Squares},
author={Paul Erdijs and Melvyn B. Nathanson},
year={2001}
}

Probabilistic methods are used to prove that for every E > 0 there exists a sequence A, of squares such that every positive integer is the sum of at most four squares in A, and A,(x) = 0(x=8 + y.