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 A060373 #9 Jan 27 2014 10:21:30 %S A060373 0,0,1,0,0,4,3,3,1,0,0,1,0,0,13,12,12,10,9,9,10,9,9,4,3,3,1,0,0,1,0,0, %T A060373 4,3,3,1,0,0,1,0,0,40,39,39,37,36,36,37,36,36,31,30,30,28,27,27,28,27, %U A060373 27,31,30,30,28,27,27,28,27,27,13,12,12,10,9,9,10,9,9,4,3,3,1,0,0,1,0 %N A060373 q(n), negative part of n when n=p(n)-q(n) with p(n), q(n), p(n)+q(n) in A005836, integers written without 2 in base 3. %H A060373 Reinhard Zumkeller, <a href="/A060373/b060373.txt">Table of n, a(n) for n = 0..10000</a> %o A060373 (Haskell) %o A060373 a060373 n = a060372 n - n -- _Reinhard Zumkeller_, Jun 09 2012 %Y A060373 Cf. A005836, A060372, A060374. %K A060373 easy,nice,nonn,look %O A060373 0,6 %A A060373 Claude Lenormand (claude.lenormand(AT)free.fr), Apr 02 2001