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 A364004 #22 Aug 06 2023 02:36:56 %S A364004 660,1092,4080,3420,6072,7800,9828,14880,32736,25308,51888,58800, %T A364004 74412,194472,265680,456288,612468,1024128,2097024,2165292,3594432, %U A364004 7174332,8487168,28090752,57750408,96049728,321367392 %N A364004 Orders of simple groups PSL(2,K) with exactly 4 prime divisors. %C A364004 Sequence is conjectured to be infinite, see Bugeaud et al. %C A364004 All entries are divisible by 6 by order formula for PSL(2,q). %H A364004 Y. Bugeaud, Z. Cao, and M. Mignotte, <a href="https://doi.org/10.1006/jabr.2000.8742">On Simple K4-Groups</a>, Journal of Algebra, 241 (2001), 658-668. %F A364004 Terms are q*(q^2-1)/gcd(2, q-1) for q in A364003. %F A364004 a(n) = A033931(A364003(n)-1). %e A364004 660 has prime divisors 2,3,5,11. %Y A364004 Subsequence of A352806. Elements generated from A364003. %K A364004 nonn %O A364004 1,1 %A A364004 _Lixin Zheng_, Jul 03 2023