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 A343883 #6 May 04 2021 09:03:25 %S A343883 3,4,6,8,10,16,30,54 %N A343883 Numbers k such that A023896(k) is a multiple of A340179(k). %C A343883 Conjecture: there are only 8 terms. %e A343883 a(6) = 16 is a term because A023896(16) = 64 is a multiple of A340179(16) = 32. %p A343883 filter:= proc(n) local S,s,t; %p A343883 S:= select(t -> igcd(t,n)=1, [$1..n-1]); %p A343883 s:= nops(S)*n/2; %p A343883 s mod add(s mod t,t=S) = 0; %p A343883 end proc: %p A343883 select(filter, [$3..1000]); %Y A343883 Cf. A023896, A340179. %K A343883 nonn,more %O A343883 1,1 %A A343883 _J. M. Bergot_ and _Robert Israel_, May 02 2021