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 A286009 #7 May 02 2017 11:11:01 %S A286009 379852,1937399,3213587,3693182,3929909,5297908,5491483,5558857, %T A286009 5585137,6073350,6098602,6239688,6456726,6621601,7628332,7676090, %U A286009 7784700,11322293,11585988,11802069,11859219,12408934,12591257,13173700,13379558,13691715,13714221,14614581,14648522,14984212,15054150 %N A286009 Numbers n such that 19^n is the highest power of 19 dividing A240751(n). %Y A286009 Cf. A005187, A240751, A286003-A286008, A286010. %K A286009 nonn %O A286009 1,1 %A A286009 _David A. Corneth_, May 01 2017