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On a Variant of Giuga Numbers
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作者 Jos María GRAU Florian LUCA Antonio M. OLLER-MARCN 《Acta Mathematica Sinica,English Series》 SCIE CSCD 2012年第4期653-660,共8页
In this paper, we characterize the odd positive integers n satisfying the congruence ∑j=1^n-1 j n-1/2 We show that the set of such positive integers has an asymptotic densitywhich turns out to be slightly larger than... In this paper, we characterize the odd positive integers n satisfying the congruence ∑j=1^n-1 j n-1/2 We show that the set of such positive integers has an asymptotic densitywhich turns out to be slightly larger than 3/8. 展开更多
关键词 CONGRUENCE Giuga numbers asymptotic density
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