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 A333964 #17 Feb 18 2021 02:32:44
%S A333964 1,2,4,6,8,12,16,24,30,32,36,48,60,64,72,96,120,128,144,180,192,210,
%T A333964 216,240,256,288,360,384,420,432,480,512,576,720,768,840,864,900,960,
%U A333964 1024,1080,1152,1260,1296,1440,1536,1680,1728,1800,1920,2048,2160,2304,2520,2592
%N A333964 Numbers of the form 2^i * 6^j * 30^k * 210^m where i, j, k, m >= 0.
%H A333964 Amiram Eldar, <a href="/A333964/b333964.txt">Table of n, a(n) for n = 1..10000</a>
%F A333964 Sum_{n>=1} 1/a(n) = 15120/6061. - _Amiram Eldar_, Feb 18 2021
%t A333964 mx = 2600; Select[Sort[Flatten[Table[2^i*6^j*30^k*210^m, {i, 0, Log[2, mx]}, {j, 0, Log[6, mx]}, {k, 0, Log[30, mx]}, {m, 0, Log[210, mx]}]]], # <= mx &] (* _Amiram Eldar_, Apr 24 2020 after _Robert G. Wilson v_ at A279537 *)
%Y A333964 Intersection of A025487 and A002473.
%Y A333964 Cf. A025610, A279537.
%K A333964 nonn
%O A333964 1,2
%A A333964 _David A. Corneth_, Apr 20 2020