%I #9 Jun 22 2013 16:05:39
%S 3,3,5,3,5,7,11,11,7,9,9,11,9,9,11,27,20,20,27,11,13,19,67,40,67,19,
%T 13,15,51,105,147,147,105,51,15,17,33,78,126,147,126,78,33,17,19,83,
%U 111,204,273,273,204,111,83,19,21,51,305,315,477,546,477,315,305,51,21,23
%N First numerator and then denominator of 1/2-Pascal triangle (by row) excluding 1's and 2's.
%e 1/1; 1/1 1/1; 1/1 1/2 1/1; 1/1 3/2 3/2 1/1; 1/1 5/2 3/1 5/2 1/1; 1/1 7/2 11/2 11/2 7/2 1/1; 1/1 9/2 9/1 11/1 9/1 9/2 1/1; 1/1 11/2 27/2 20/1 20/1 27/2 11/2 1/1; ...
%Y Cf. A046213.
%K tabf,nonn,easy
%O 1,1
%A _Mohammad K. Azarian_
%E More terms from _James A. Sellers_, Dec 13 1999