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%I #5 Sep 08 2013 13:30:50
%S 1,1,1,1,0,1,1,0,1,1,1,0,0,0,1,1,0,0,1,1,1,1,0,0,0,0,0,1,1,0,0,0,1,0,
%T 1,1,1,0,0,0,0,0,1,0,1,1,0,0,0,0,1,0,0,1,1,1,0,0,0,0,0,0,0,0,0,1,1,0,
%U 0,0,0,0,1,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,0,0,0,0,1,1
%N Reverse of triangle A051731.
%C Row sums are A000005. Diagonal sums are A001227 (?). Row k corresponds to A113999(k).
%F Sum_{k, 1<=k<=n} k*T(n,k)=A081307(n) - _Philippe Deléham_, Feb 03 2007
%e Triangle begins
%e 1;
%e 1,1;
%e 1,0,1;
%e 1,0,1,1;
%e 1,0,0,0,1;
%e 1,0,0,1,1,1;
%e 1,0,0,0,0,0,1;
%e 1,0,0,0,1,0,1,1;
%K nonn,tabl
%O 1,1
%A _Paul Barry_, Nov 12 2005
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