Browsing Mathematics publications (MU) by Subject "Cardinal numbers"
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Values of the Euler Function in Various Sequences
(2005)Let φ (n) and λ(n) denote the Euler and Carmichael functions, respectively. In this paper, we investigate the equation φ (n)r = λ(n)s, where r ≥ s ≥ 1 are fixed positive integers. We also study those positive integers n, ...