On block Behrend sequences
1996, Mathematical Proceedings of the Cambridge Philosophical Society
https://doi.org/10.1017/S0305004100074910Abstract
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This work investigates block Behrend sequences, defined as strictly increasing sequences of integers whose set of multiples exhibits asymptotic density 1. The study extends classical results regarding coprime sequences and develops comprehensive criteria for a broader class of sequences. Through a careful exploration of block sequences characterized by specific growth conditions and statistical properties, the analysis aims at providing necessary and sufficient conditions for the Behrend property, contributing to the understanding of arithmetic properties in number theory.
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