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Quadrisection of the fourth central column of triangle A122242, a(n) = A179770(4*n).
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%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