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%I #11 Jun 22 2013 16:05:39
%S 1,1,1,1,1,1,1,1,1,1,1,1,1,3,3,1,1,1,1,5,3,1,5,1,1,1,1,7,11,11,7,1,1,
%T 1,1,9,9,1,11,1,9,1,9,1,1,1,1,11,27,20,1,20,1,27,11,1,1,1,1,13,19,1,
%U 67,40,1,67,19,1,13,1,1,1,1,15,51
%N First numerator and then denominator of 1/2-Pascal triangle (by row), excluding 2's.
%e 1/1;
%e 1/1 1/1;
%e 1/1 1/2 1/1;
%e 1/1 3/2 3/2 1/1;
%e 1/1 5/2 3/1 5/2 1/1;
%e 1/1 7/2 11/2 11/2 7/2 1/1;
%e 1/1 9/2 9/1 11/1 9/1 9/2 1/1;
%e 1/1 11/2 27/2 20/1 20/1 27/2 11/2 1/1;
%e without the 2's.
%Y Cf. A046213.
%K tabf,nonn,less
%O 1,14
%A _Mohammad K. Azarian_
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