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%I #14 Apr 07 2021 19:55:43
%S 1,1,1,1,2,1,1,2,2,1,1,2,1,2,1,1,2,2,2,2,1,1,2,1,1,1,2,1,1,2,2,1,1,2,
%T 2,1,1,2,1,2,1,2,1,2,1,1,2,2,2,2,2,2,2,2,1,1,2,1,1,1,1,1,1,1,2,1,1,2,
%U 2,1,1,1,1,1,1,2,2,1,1,2,1,2,1,1,1,1,1
%N Denominators of elements of 1/2-Pascal triangle (by row).
%e 1/1; --> 1
%e 1/1 1/1; --> 1 1
%e 1/1 1/2 1/1; --> 1 2 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 ...
%Y Cf. A046213.
%K tabl,nonn,frac
%O 1,5
%A _Mohammad K. Azarian_
%E More terms from _Sean A. Irvine_, Apr 07 2021
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