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 A317417 #5 Jul 27 2018 16:54:07 %S A317417 10653,10976,10987,11058,11066,11072,11074,11081,11101,11294,11311, %T A317417 11390,11395,11403,11406,11412,11414,11425,11479,11487,11493,11495, %U A317417 11501,11502,11503,11508,11510,11515,11522,11523,11530,11532,11603 %N A317417 Numbers missing from A317415. %C A317417 A317415 is finite, so this sequence is infinite. %C A317417 See A317415 for further information. %H A317417 Daniël Karssen, <a href="/A317417/b317417.txt">Table of n, a(n) for n = 1..95358</a> %Y A317417 Cf. A317415. %K A317417 nonn %O A317417 1,1 %A A317417 _Daniël Karssen_, Jul 27 2018