%I
%S 1,0,2,0,1,3,0,0,1,4,0,0,1,2,5,0,0,0,1,2,6,0,0,0,1,1,3,7,0,0,0,0,1,2,
%T 3,8,0,0,0,0,1,1,2,4,9,0,0,0,0,0,1,1,2,4,10,0,0,0,0,0,1,1,2,3,5,11,0,
%U 0,0,0,0,0,1,1,2,3,5,12,0,0,0,0,0,0,1,1,1,2,3,6,13,0,0,0,0,0,0,0,1,1,2,2,4,6,14
%N Table of [ x/y ], where (x,y) = (1,1),(1,2),(2,1),(1,3),(2,2),(3,1),...
%C Entry in row n and column k is also the number of multiples of k less than or equal to n, n,k >= 1.  _L. Edson Jeffery_, Aug 31 2014
%F sum_{k=1..n} a(nk+1,k) = A002541(n+1).
%e Array begins:
%e 1 0 0 0 0 0 0 0 ...
%e 2 1 0 0 0 0 0 0 ...
%e 3 1 1 0 0 0 0 0 ...
%e 4 2 1 1 0 0 0 0 ...
%e 5 2 1 1 1 0 0 0 ...
%e ...
%t (* Array version: *)
%t Grid[Table[Floor[n/k], {n, 14}, {k, 14}]] (* _L. Edson Jeffery_, Aug 31 2014 *)
%t (* Array antidiagonals flattened: *)
%t Flatten[Table[Floor[(n  k + 1)/k], {n, 14}, {k, n}]] (* _L. Edson Jeffery_, Aug 31 2014 *)
%Y Cf. A002541 (antidiagonal sums).
%Y Cf. A010766 (same sequence as triangle, omitting the zeros).
%K tabl,nonn
%O 1,3
%A _David W. Wilson_
