%I
%S 0,0,1,0,0,1,1,1,2,1,2,2,2,2,4,2,3,4,4,3,6,4,6,6,4,6,10,6,6,9,9,8,11,
%T 8,12,12,9,12,16,11,12,16,15,15,18,16,18,19,17,17,24,19,20,26,24,25,
%U 27,23,26,28,21,30,39,29,30,35,32,33,38,36,38,41,36,39,48,42,41,50,44,48
%N Column 3 of triangle A117170 of InverseShiftMoebius coefficients and so equals the InverseShiftMoebius transform of [0,0,1,0,...].
%o (PARI) {a(n)=if(n<3,0,prod(i=0,n, matrix(n,n,r,c,if(r>=c,if((r+i)%(c+i)==0,1,0))))[n,3])}
%Y Cf. A117170 (triangle), A117171 (column 1), A117172 (column 2), A117174 (row sums).
%K nonn
%O 1,9
%A _Wouter Meeussen_ and _Paul D. Hanna_, Mar 05 2006
