%I #2 Mar 30 2012 18:53:10
%S 1,2,1,2,0,1,8,2,0,1,2,0,0,0,1,4,2,2,0,0,1,2,0,0,0,0,0,1,16,8,0,2,0,0,
%T 0,1,8,0,2,0,0,0,0,0,1,4,2,0,0,2,0,0,0,0,1,2,0,0,0,0,0,0,0,0,0,1,16,4,
%U 8,2,0,2,0,0,0,0,0,1,2,0,0,0,0,0,0,0,0,0,0,0,1,4,2,0,0,0,0,2,0,0,0,0,0,0,1
%N Triangle T(n,k) read by rows. T(n,k) = A046644(A126988).
%C Denominator in fraction A181116/A181117.
%e Triangle starts:
%e 1,
%e 2,1,
%e 2,0,1,
%e 8,2,0,1,
%e 2,0,0,0,1,
%e 4,2,2,0,0,1,
%e 2,0,0,0,0,0,1,
%e 16,8,0,2,0,0,0,1,
%e 8,0,2,0,0,0,0,0,1,
%e 4,2,0,0,2,0,0,0,0,1,
%e 2,0,0,0,0,0,0,0,0,0,1,
%e 16,4,8,2,0,2,0,0,0,0,0,1,
%e 2,0,0,0,0,0,0,0,0,0,0,0,1,
%e 4,2,0,0,0,0,2,0,0,0,0,0,0,1,
%e 4,0,2,0,2,0,0,0,0,0,0,0,0,0,1,
%Y Cf. A181116, A046644, A051731.
%K nonn,tabl
%O 1,2
%A _Mats Granvik_, Oct 04 2010