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%I #9 Jun 22 2013 16:05:38
%S 1,1,1,1,1,1,1,1,2,1,1,1,1,1,2,3,2,3,1,1,1,1,2,5,1,3,2,5,1,1,1,1,2,7,
%T 2,11,2,11,2,7,1,1,1,1,2,9,1,9,1,11,1,9,2,9,1,1,1,1,2,11,2,27,1,20,1,
%U 20,2,27,2,11,1,1,1,1,2,13,1,19,2,67,1,40,2,67,1,19,2,13,1,1,1,1,2,15,2
%N First denominator and then numerator of 1/2-Pascal triangle (by row).
%e 1/1; --> 1 1
%e 1/1 1/1; --> 1 1 1 1
%e 1/1 1/2 1/1; --> 1 1 2 1 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;...
%Y Cf. A046213.
%K tabf,nonn,frac
%O 1,9
%A _Mohammad K. Azarian_
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