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 A277620 #14 Nov 05 2016 14:55:08 %S A277620 1,2,3,4,5,6,8,9,10,11,12,15,16,18,20,22,24,25,27,30,32,33,36,40,44, %T A277620 45,48,50,54,55,60,64,66,72,75,80,81,88,90,96,99,100,108,110,120,121, %U A277620 125,128,132,135,144,150,160,162,165,176,180,192,198,200,216,220 %N A277620 Positive integers that are composed of prime factors 2,3,5 and 11. %Y A277620 A003592 is a subsequence, A080197 is a subsequence of this sequence. %K A277620 nonn %O A277620 1,2 %A A277620 _Jason Gottfried_, Oct 24 2016