%I A046213
%S A046213 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,
%T A046213 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,
%U A046213 1,27,2,11,2,1,1,1,1,13,2,19,1,67,2,40,1,67,2,19,1,13,2,1,1,1,1,15,2
%N A046213 First numerator and then denominator of 1/2-Pascal triangle (by row). 
               To get a 1/2-Pascal triangle, replace "2" in third row of Pascal 
               triangle by "1/2" and calculate all other rows as in Pascal triangle.
%e A046213 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 A046213 Sequence in context: A063420 A029385 A026536 this_sequence A129179 A120621 
               A039754
%Y A046213 Adjacent sequences: A046210 A046211 A046212 this_sequence A046214 A046215 
               A046216
%K A046213 tabl,nonn
%O A046213 1,10
%A A046213 Mohammad K. Azarian (ma3(AT)evansville.edu)