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%I #22 May 10 2021 09:24:26
%S 21,31,32,39,42,62,67,75,82,91,93,97,104,109,121,127,135,137,139,140,
%T 145,146
%N Indices m such that A342834(m) is not squarefree.
%C From the factorization of the initial terms of A342834, it may appear that A342834(n) is always squarefree, but this is false, and that present sequence lists the exceptions.
%o (PARI) f(n) = my(s=""); for (k=1, n, s = Str(s, precprime(10^k))); eval(s); \\ A342834
%o isok(m) = !issquarefree(f(m)); \\ _Michel Marcus_, Apr 01 2021
%Y Cf. A013929, A342834, A342835, A342836, A342837.
%K nonn,base,more
%O 1,1
%A _Bernard Schott_ and _Daniel Suteu_, Apr 01 2021