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 A162789 #5 Mar 30 2012 17:34:01 %S A162789 9,10,11,12,13,14,15,17,18,19,21,23,27,29,31,37,41,43,47,53,59,61,67, %T A162789 71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157, %U A162789 163,167,173,179,181,191,193,197,199,211,223,227,229,233 %N A162789 a(n) = A162529(n)/9. %Y A162789 Cf. A161344, A162529, A162788, A162790. %K A162789 easy,nonn %O A162789 1,1 %A A162789 _Omar E. Pol_, Jul 13 2009