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%I #19 Jan 07 2022 19:46:15
%S 13,31,70,119,189,210,235,236,265,301,303,317,345,352,366,448,470,472,
%T 479,498,500,511,520,546,557,562,572,578,580,624,674,682,691,724,740,
%U 747,768,784,808,815,876,878,880,948,957,964,981,990,995,998,1017,1035,1044
%N Values of k such that A072022(k)=0.
%C See A074915 for a bound on A048864(x) which allows the establishment of a suitable search range the terms of this sequence. - _Giovanni Resta_, Feb 25 2020
%H Giovanni Resta, <a href="/A072023/b072023.txt">Table of n, a(n) for n = 1..10000</a>
%e 13 is a term because a number whose RRS includes exactly 13 nonprime numbers doesn't exist. Phi(x) - Pi(x) + omega(x) = 13 has no solution.
%t See A072022.
%Y Cf. A048864, A072022, A074915, A000010, A000720, A001221.
%K nonn
%O 1,1
%A _Labos Elemer_, Jun 06 2002
%E More terms (search up to 10^6) from _Michel Marcus_, Aug 08 2019
%E Terms a(51) and beyond from _Giovanni Resta_, Feb 25 2020
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