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 A082396 #19 Feb 03 2025 09:40:24
%S A082396 1,2,8,10,18,36,40,52,56,60,84,98,114,128,132,140,150,153,165,171,210,
%T A082396 230,266,286,304,320,324,399,432,450,459,495,525,544,551,560,572,588,
%U A082396 589,600,675,756,760,825,837,858,891,928,936,984,1012,1027,1040,1044
%N A082396 Numbers k such that k/(2*k-A082851(k)) is an integer.
%H A082396 Paolo Xausa, <a href="/A082396/b082396.txt">Table of n, a(n) for n = 1..10000</a>
%F A082396 Does lim_{n->oo} a(n)/n^2 = 1/2?
%F A082396 Based on numerical evidence, it appears that the limit above is 0. - _Paolo Xausa_, Jan 30 2025
%t A082396 Table[If[Divisible[k, #[[k]]], k, Nothing], {k, Length[#]}] & [Fold[Join[#, # + #2 - 1, {#2}] &, {}, Range[11]]] (* _Paolo Xausa_, Feb 03 2025 *)
%Y A082396 Cf. A082851.
%K A082396 nonn
%O A082396 1,2
%A A082396 _Benoit Cloitre_, Apr 14 2003
%E A082396 More terms from _R. J. Mathar_, Nov 17 2009