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%I #5 Jan 27 2014 09:13:04
%S 1,2,1,4,3,1,7,6,3,1,10,9,6,3,1,15,14,10,6,3,1,19,18,14,10,6,3,1,26,
%T 25,20,15,10,6,3,1,31,30,25,20,15,10,6,3,1,37,36,31,26,20,15,10,6,3,1,
%U 43,42,37,32,26,21,15,10,6,3,1,54,53,47,41,34,28,21,15,10,6,3,1
%N Triangle T(n,k) = number of distinct products ij with k<=i,j<=n, for 0<=k<=n.
%e 1; 2,1; 4,3,1; 7,6,3,1; 10,9,6,3,1; ...
%Y Cf. A027384, A027422.
%K tabl,nonn,easy
%O 0,2
%A _N. J. A. Sloane_.
%E More terms from _Olivier Gérard_, Nov 15 1997
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