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 A127241 #2 Mar 30 2012 18:59:19 %S A127241 1,0,1,0,1,1,0,0,1,1,0,0,1,0,1,0,0,0,0,1,1,0,0,0,1,0,0,1,0,0,0,0,1,0, %T A127241 0,1,0,0,0,0,1,0,0,1,1,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,1,0,1,1,0,1 %N A127241 A Thue-Morse triangle. %C A127241 Row sums are A127238. Diagonal sums are A127242. Central coefficients give A000012. %F A127241 Number triangle T(n,k)=A010060(binomial(k,n-k)) %e A127241 Triangle begins %e A127241 1, %e A127241 0, 1, %e A127241 0, 1, 1, %e A127241 0, 0, 1, 1, %e A127241 0, 0, 1, 0, 1, %e A127241 0, 0, 0, 0, 1, 1, %e A127241 0, 0, 0, 1, 0, 0, 1, %e A127241 0, 0, 0, 0, 1, 0, 0, 1, %e A127241 0, 0, 0, 0, 1, 0, 0, 1, 1, %e A127241 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, %e A127241 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1 %K A127241 easy,nonn,tabl %O A127241 0,1 %A A127241 _Paul Barry_, Jan 10 2007