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 A053399 #7 Aug 04 2014 08:23:41 %S A053399 0,2,0,2,0,3,0,3,0,2,0,2,0,4,0,4,0,2,0,2,0,3,0,3,0,2,0,2,0,5,0,5,0,2, %T A053399 0,2,0,3,0,3,0,2,0,2,0,4,0,4,0,2,0,2,0,3,0,3,0,2,0,2,0,6,0,6,0,2,0,2, %U A053399 0,3,0,3,0,2,0,2,0,4,0,4,0,2,0,2,0,3,0,3,0,2,0,2,0,5,0,5,0,2,0,2,0,3,0,3,0 %N A053399 A053398(3, n). %H A053399 Reinhard Zumkeller, <a href="/A053399/b053399.txt">Table of n, a(n) for n = 1..1000</a> %o A053399 (Haskell) %o A053399 a053399 = flip a053398 3 . (+ 2) -- _Reinhard Zumkeller_, Aug 04 2014 %K A053399 nonn %O A053399 1,2 %A A053399 _David W. Wilson_