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 A086069 #9 Feb 13 2013 20:28:22 %S A086069 0,1,10,20,102,103,203,1023,1024,1034,2034,10234,10235,10245,10345, %T A086069 20345,102345,102346,102356,102456,103456,203456,1023456,1023457, %U A086069 1023467,1023567,1024567,1034567,2034567,10234567,10234568,10234578,10234678 %N A086069 Records in A086068. %C A086069 a(n)=A086068(A086070(n)) and A086068(i)<a(n) for i < A086070(n); %C A086069 A086066(a(n)) = A086070(n). %H A086069 Nathaniel Johnston, <a href="/A086069/b086069.txt">Table of n, a(n) for n = 1..47</a> (full sequence) %K A086069 nonn,fini,full %O A086069 1,3 %A A086069 _Reinhard Zumkeller_, Jul 08 2003