%I #11 Jun 22 2013 16:05:40
%S 1,1,1,1,4,1,1,4,4,1,1,4,2,4,1,1,4,4,4,4,1,1,4,1,2,1,4,1,1,4,4,2,2,4,
%T 4,1,1,4,2,4,1,4,2,4,1,1,4,4,4,4,4,4,4,4,1,1,4,1,1,1,2,1,1,1,4,1,1,4,
%U 4,1,1,2,2,1,1,4,4,1,1,4,2,4,1,2,1,2,1,4,2,4,1,1,4,4,4,4,2,2,2,2,4,4,4,4,1
%N Denominators of the 1/4-Pascal triangle (by row).
%e 1/1; --> 1
%e 1/1 1/1; --> 1 1
%e 1/1 1/4 1/1; --> 1 4 1
%e 1/1 5/4 5/4 1/1; --> 1 4 4 1
%e 1/1 9/4 5/2 9/4 1/1; --> ...
%e 1/1 13/4 19/4 19/4 13/4 1/1;
%e 1/1 17/4 8/1 19/2 8/1 17/4 1/1;
%e 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...
%Y Cf. A046563.
%K tabl,nonn,frac
%O 1,5
%A _Mohammad K. Azarian_
%E More terms from _James A. Sellers_, Dec 14 1999