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Numbers k for which A342001(k) is squarefree.
2

%I #8 Jan 14 2024 15:06:12

%S 2,3,4,5,6,7,8,9,10,11,13,17,18,19,21,22,23,24,25,26,27,29,30,31,32,

%T 33,34,36,37,38,40,41,42,43,45,47,48,49,53,56,57,58,59,60,61,62,63,64,

%U 66,67,69,70,71,72,73,74,75,78,79,80,82,83,84,85,88,89,90,93,96,97,98,100,101,102,103,104,105,106,107

%N Numbers k for which A342001(k) is squarefree.

%C Numbers k such that A342001(k) is in A005117.

%o (PARI) \\ See A368912.

%Y Cf. A005117, A342001, A368912 (characteristic function).

%Y Subsequence of A368904.

%K nonn

%O 1,1

%A _Antti Karttunen_, Jan 10 2024