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 A162915 #3 Mar 30 2012 18:52:33 %S A162915 1,1,2,2,3,2,1,2,5,4,2,2,3,2,1,2,4,5,9,7,2,4,11,10,6,5,3,2,1,2,4,5,8, %T A162915 9,15,12,2,5,17,16,10,8,3,2,1,3,7,6,4,7,21,17,2,3,5,7,14,13,9,7,3,4,6, %U A162915 4,1,5,16,17,27,23,4,8,29,24,2,4,8,7,5,7,13,14,20,16,3,2,1,7,35,32,10,11,15 %N A162915 Absolute values of the first differences of A162908. %Y A162915 Cf. A089229, A162361, A162908. %K A162915 nonn,less %O A162915 1,3 %A A162915 _Juri-Stepan Gerasimov_, Jul 17 2009 %E A162915 Corrected as a followup to correcting A162908. - _R. J. Mathar_, Jul 19 2009