1 |
J. M. Grau Ribas and F. Luca, Cullen numbers with the Lehmer property, Proc. Amer. Math. Soc. 140 (2012), no. 1, 129-134.
|
2 |
C. Hooley, Applications of Sieve Methods to the Theory of Numbers, Cambridge Tracts in Mathematics, No. 70. Cambridge University Press, Cambridge-New York-Melbourne, 1976.
|
3 |
D. H. Lehmer, On Euler's totient function, Bull. Amer. Math. Soc. 38 (1932), no. 10, 745-757.
DOI
|
4 |
F. Luca, Fibonacci numbers with the Lehmer property, Bull. Pol. Acad. Sci. Math. 55 (2007), no. 1, 7-15.
DOI
|
5 |
J. Cilleruelo and F. Luca, Repunit Lehmer numbers, Proc. Edinb. Math. Soc. (2) 54 (2011), no. 1, 55-65.
|
6 |
G. L. Cohen and P. Hagis Jr., On the number of prime factors of n if , Nieuw.Arch. Wisk. (3) 28 (1980), no. 2, 177-185.
|