This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A344995 #5 Jun 07 2021 06:49:36
%S A344995 4,6,12,28,42,312,456,496,588,828,1080,1216,1242,1377,1560,4560,5964,
%T A344995 7320,7480,7584,8128,11400,13728,14784,23760,33462,59400,59520,124020,
%U A344995 147840,188600,277648,321000,543552,1288224,1510272,1596048,1964544,2038140,3323736,3611520,3780672,3909816,6137440,9034032,10783890
%N A344995 Numbers k such that A051709(k)/A173557(k) is a positive natural number and a divisor of k.
%H A344995 <a href="/index/O#opnseqs">Index entries for sequences where odd perfect numbers must occur, if they exist at all</a>
%o A344995 (PARI)
%o A344995 A051709(n) = ((sigma(n) + eulerphi(n)) - (2*n));
%o A344995 A173557(n) = factorback(apply(p -> p-1, factor(n)[, 1]));
%o A344995 isA344995(n) = { my(u=A051709(n),t=A173557(n),r=u/t); ((u>0)&&(1==denominator(r)&&!(n%r))); };
%Y A344995 Cf. A051709, A173557.
%Y A344995 Subsequence of A344994.
%Y A344995 Cf. also A344755, A345002.
%K A344995 nonn
%O A344995 1,1
%A A344995 _Antti Karttunen_, Jun 05 2021