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 A349028 #16 Aug 28 2022 14:59:51
%S A349028 14563696180319,16569718534655,20203946790335,22034564147519,
%T A349028 23315834862719,23889526894079,27074874805055,28932092649215,
%U A349028 31534433588735,34236981827279,34249223161439,45373136257295,45593377151399,50103079391519,50415330959279,50683388926247
%N A349028 Lucas-Carmichael numbers with 9 prime factors.
%H A349028 Daniel Suteu, <a href="/A349028/b349028.txt">Table of n, a(n) for n = 1..14207</a> (all terms < 10^17).
%e A349028 14563696180319 = 11*13*17*23*29*41*47*59*79 and 12, 14, 18, 24, 30, 42, 48, 60, and 80 all divide 14563696180320.
%o A349028 (PARI) is(n)={omega(n)==9&&is_A006972(n)}
%Y A349028 Intersection of A006972 and A046312.
%Y A349028 Cf. A216928 (least Lucas-Carmichael number with n prime factors).
%Y A349028 Cf. A216925, A216926, A216927, A217002, A217003, A217091, A349029, A349030 (Lucas-Carmichael numbers with 3-8, 10 and 11 prime factors).
%K A349028 nonn
%O A349028 1,1
%A A349028 _Tim Johannes Ohrtmann_, Nov 06 2021