A Then there exist infinitely many values of n P 1 for which the product
9 Pk;n tk;n 10fk;n
is a Smith number for some element tk,n 2 Mk and exponent fk,n P 0.
Following this result, the article continues with the construction of a set Mk which
satisfies the hypothesis of Theorem 1.1, for each k = 2, 3, ... , 9.
This paper is a response to the challenge to continue with the search for such Mk for
k > 9. Quite surprisingly we are able to give a relatively clean construction of Mk,
which consists of seven constant multiples of the repunit Rk = (10k 1)/9, and which
is valid for all k P 9 but not for lesser values of k.
The established fact [3, Theorem 9] can be restated as follows.
A Then there exist infinitely many values of n P 1 for which the product9 Pk;n tk;n 10fk;nis a Smith number for some element tk,n 2 Mk and exponent fk,n P 0.Following this result, the article continues with the construction of a set Mk whichsatisfies the hypothesis of Theorem 1.1, for each k = 2, 3, ... , 9.This paper is a response to the challenge to continue with the search for such Mk fork > 9. Quite surprisingly we are able to give a relatively clean construction of Mk,which consists of seven constant multiples of the repunit Rk = (10k 1)/9, and whichis valid for all k P 9 but not for lesser values of k.The established fact [3, Theorem 9] can be restated as follows.
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