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%I #2 Mar 30 2012 18:59:19
%S 1,1,1,1,0,1,1,0,0,1,0,0,1,0,1,1,0,1,0,1,1,0,0,1,0,0,0,1,1,0,0,0,0,0,
%T 0,1,0,0,0,0,1,0,0,0,1,1,0,1,0,0,0,0,0,1,1,0,0,0,0,1,0,1,0,1,0,1,1,0,
%U 0,0,1,0
%N Number triangle A127969 modulo 2.
%C Row sums are A127973.
%e Triangle begins
%e 1,
%e 1, 1,
%e 1, 0, 1,
%e 1, 0, 0, 1,
%e 0, 0, 1, 0, 1,
%e 1, 0, 1, 0, 1, 1,
%e 0, 0, 1, 0, 0, 0, 1,
%e 1, 0, 0, 0, 0, 0, 0, 1,
%e 0, 0, 0, 0, 1, 0, 0, 0, 1,
%e 1, 0, 1, 0, 0, 0, 0, 0, 1, 1,
%e 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1,
%e 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1,
%e 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1
%K nonn,tabl
%O 0,1
%A _Paul Barry_, Feb 09 2007
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