@article{1954-lehmer
,note={URL: {\tt http://links.jstor.org/sici?sici=0891-6837(195410)8:48<237:N>2.0.CO;2-R}}
,author={Derrick H. Lehmer}
,ISSN={0891--6837}
,journal={Mathematical Tables and Other Aids to Computation}
,MR={16,113e}
,pages={241--242}
,title={{A sieve problem on ``pseudo-squares''}}
,volume={8}
,year={1954}
}