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 A134391 #5 May 01 2013 21:09:55 %S A134391 0,0,0,1,0,0,1,0,0,1,1,1,0,0,0,1,0,0,1,1,1,0,0,0,1,0,0,1,1,1,0,1,1,0, %T A134391 1,1,0,0,0,1,0,0,1,0,0,1,1,1,0,0,0,1,0,0,1,1,1,0,1,1,0,1,1,0,0,0,1,0, %U A134391 0,1,0,0,1,1,1,0,0,0,1,0,0,1,1,1,0,1,1,0,1,1,0,0,0,1,1,1,0,1,1 %N A134391 The sequence A_0, A_1, A_2, A_3, ..., where the A_k are defined in A064990. %e A134391 Here are A_0 through A_5: %e A134391 0 %e A134391 001 %e A134391 001001110 %e A134391 001001110001001110110110001 %e A134391 001001110001001110110110001001001110001001110110110001110110001110110001001001110 %e A134391 001001110001001110110110001001001110001001110110110001110110001110110001001001110\ %e A134391 00100111000100111011011000100100111000100111011011000111011000111011000100100111\ %e A134391 0110110001110110001001001110110110001110110001001001110001001110001001110110110001 %Y A134391 Cf. A064990. %K A134391 nonn %O A134391 0,1 %A A134391 _N. J. A. Sloane_, Jun 14 2010, based on a suggestion from Chris Erickson