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 A319264 #9 Sep 26 2018 16:06:18 %S A319264 1,4,6,76,135,247,354,590,909,1040,48232,106763,333640,355837 %N A319264 Numbers k such that A000586(k) is divisible by k. %C A319264 No other terms below 2000000. - _Vaclav Kotesovec_, Sep 26 2018 %e A319264 135 is in the sequence because A000586(135) = 5 * 135. %e A319264 1040 is in the sequence because A000586(1040) = 4201384 * 1040. %Y A319264 Cf. A000586, A319265, A319267. %K A319264 nonn,more %O A319264 1,2 %A A319264 _Vaclav Kotesovec_, Sep 16 2018