%N Quadrisection of the fourth central column of triangle A122245, a(n) = A179775((4*n)-2).
%C Conjecture: the last zero (108th) occurs at n=163, after which only ones occur.
%H A. Karttunen, <a href="/A179776/b179776.txt">Table of n, a(n) for n = 1..256</a>
%F a(n) = A179775((4*n)-2).
%Y Cf. A179777-A179779, and also A179771, A179831.
%A _Antti Karttunen_, Aug 03 2010