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%I #7 Jun 07 2022 16:02:14
%S 0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,0,
%T 0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,
%U 0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1
%N a(n) = 1 if A346242(n) = 0, otherwise 0.
%H Antti Karttunen, <a href="/A354820/b354820.txt">Table of n, a(n) for n = 1..100000</a>
%H <a href="/index/Ch#char_fns">Index entries for characteristic functions</a>
%H <a href="/index/Pri#primorialbase">Index entries for sequences related to primorial base</a>
%o (PARI) A354820(n) = (0==A346242(n));
%Y Characteristic function of A354810, zeros of A346242.
%K nonn
%O 1
%A _Antti Karttunen_, Jun 07 2022