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 A068048 #7 Mar 30 2012 18:50:20 %S A068048 3,3,3,3,5,3,2,3,2,3,4,2,3,2,4,2,2,3,5,3,2,2,2,3,2,3,3,2,3,2,2,2,3,2, %T A068048 4,2,2,3,2,2,4,2,2,2,2,5,3,2,3,2,2,3,3,5,3,2,4,2,3,2,2,2,3,3,3,2,2,2, %U A068048 2,2,3,3,2,2,3,3,3,3,5,3,2,2,2,2,2,2,3,3,2,5 %N A068048 Length of the n-th nontrivial palindrome in decimal expansion of Pi. %Y A068048 Cf. A068046. %K A068048 nonn,base %O A068048 1,1 %A A068048 _Reinhard Zumkeller_, Feb 11 2002