Shichun Yang

An upper bound for Erdösreciprocal sum of the sum-free sequence

2015 · Scientia Sinica Mathematica

Let A={<italic>a</italic>₁, <italic>a</italic>₁,…} be a strictly increasing sequence of positive integers. <italic>A</italic> is called a sum-free sequence if no <italic>a</italic>_i is the sum of two or more distinct earlier terms. By improving the properties of …