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 A286003 #8 Apr 30 2017 22:34:34 %S A286003 2,5,6,9,13,14,17,21,27,28,30,36,40,44,45,48,55,58,59,61,62,68,72,75, %T A286003 76,80,84,90,93,99,103,106,107,108,111,114,115,121,122,123,125,126, %U A286003 129,136,139,140,144,147,148,151,155,156,157,163,167,170,171,175,178,179 %N A286003 Numbers n such that 3^n is the highest power of 3 dividing A240751(n). %C A286003 Is A005187 the same as values n such that 2^n||A240751(n)? %Y A286003 Cf. A005187, A240751. %K A286003 nonn,easy %O A286003 1,1 %A A286003 _David A. Corneth_, Apr 30 2017