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 A179771 #3 Mar 31 2012 13:21:20 %S A179771 1,1,0,0,0,0,1,1,1,0,0,0,1,0,1,0,0,0,0,1,1,0,0,1,0,1,1,0,0,1,1,0,0,0, %T A179771 0,1,0,1,1,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,1,0,0,0,0,1,0,1,1,1,0,0,1, %U A179771 1,0,1,0,1,0,0,1,0,0,0,0,1,0,1,1,0,0,0,1,0,0,0,0,1,0,1,1,1,0,0,0,1,0 %N A179771 Quadrisection of the fourth central column of triangle A122242, a(n) = A179770(4*n). %C A179771 Conjecture: the last zero (107th) occurs at n=166, after which only ones occur. %H A179771 A. Karttunen, <a href="/A179771/b179771.txt">Table of n, a(n) for n = 1..256</a> %F A179771 a(n) = A179770(4*n). %Y A179771 Cf. A179772-A179774, and also A179776, A179831. %K A179771 nonn %O A179771 1,1 %A A179771 _Antti Karttunen_, Aug 03 2010