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%I #4 Sep 08 2013 13:31:19
%S 1,0,1,1,1,1,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,0,1,1,1,1,0,1,1,0,1,1,
%T 0,1,1,0,0,0,0,0,0,1,1,0,1,0,0,0,0,1,0,0,1,1,1,1,0,0,1,1,1,1,1,1,1,1,
%U 0,1,1,0,1,1,1,1,0,1,1,0,0,0,0,0,0,1,1,0,0,1,1,0,1,0,0,0,0,1,0,0,1,1,0,0,1
%N Triangle formed by reading A038622 mod 2 .
%C Also triangle formed by reading triangles A089942, A124733, A126331, A126791, A126970 modulo 2 .
%F T(n,0)=A035263(n). Sum_{k, 0<=k<=n}T(n,k)*(-1)^k = (-1)^n .
%e Triangle begins:
%e 1;
%e 0, 1;
%e 1, 1, 1;
%e 1, 1, 0, 1;
%e 1, 0, 0, 1, 1;
%e 0, 1, 1, 0, 0, 1;
%e 1, 0, 0, 1, 1, 1, 1;
%e 0, 1, 1, 0, 1, 1, 0, 1;
%e 1, 0, 0, 0, 0, 0, 0, 1, 1;
%K nonn,tabl
%O 0,1
%A _Philippe Deléham_, Apr 28 2007
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