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 A286007 #5 May 02 2017 11:10:46 %S A286007 2865,3640,3942,4922,6677,7959,10972,11577,11928,12859,18233,19213, %T A286007 22153,30295,30646,31977,34664,35620,36527,44440,49764,51520,54182, %U A286007 55439,55839,56045,56951,60340,60920,63909,64308,64890,66995,68278,70540,72246,76795,77195,77595 %N A286007 Numbers n such that 13^n is the highest power of 13 dividing A240751(n). %Y A286007 Cf. A005187, A240751, A286003-A286006, A286008-A286010. %K A286007 nonn %O A286007 1,1 %A A286007 _David A. Corneth_, May 01 2017