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A378656 Numbers that are primitive non-deficient, but not primitive Zumkeller.

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%I A378656 #9 Dec 05 2024 21:49:46
%S A378656 748,7544,10184,56816,61904,62416,66928,69488,73616,102416,195316,
%T A378656 292604,297908,342225,394144,517024,543968,640096,682592,776096,
%U A378656 955424,1047392,1088288,2081824,2154584,2227616,3239744,3414848,3593792,3839296,3921856,3963968,4082368,4114624,4130624,4147648,4181696,4280768,4315072
%N A378656 Numbers that are primitive non-deficient, but not primitive Zumkeller.
%H A378656 Antti Karttunen, <a href="/A378656/b378656.txt">Table of n, a(n) for n = 1..50</a>
%F A378656 {k such that A341619(k) = 1 and A378537(k) = 0}.
%o A378656 (PARI) is_A378656(n) = (A341619(n) && !A378537(n));
%Y A378656 Sequence A006039 without any terms of A180332.
%Y A378656 Setwise difference A378538 \ A378657.
%Y A378656 Subsequence of A376879.
%Y A378656 Cf. A341619, A378537.
%K A378656 nonn
%O A378656 1,1
%A A378656 _Antti Karttunen_, Dec 05 2024