arXiv:1205.5021 [math.NT]AbstractReferencesReviewsResources
3-tuples have at most 7 prime factors infinitely often
Published 2012-05-22Version 1
Let $L_1$, $L_2$ $L_3$ be integer linear functions with no fixed prime divisor. We show there are infinitely many $n$ for which the product $L_1(n)L_2(n)L_3(n)$ has at most 7 prime factors, improving a result of Porter. We do this by means of a weighted sieve based upon the Diamond-Halberstam-Richert multidimensional sieve.
Comments: 13 Pages
Categories: math.NT
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