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