%I #8 Apr 19 2015 16:34:20
%S 2,3,1,4,3,1,5,5,3,1,6,7,6,3,1,7,10,11,8,4,1,8,14,18,17,11,4,1,9,18,
%T 28,31,25,14,5,1,10,22,40,52,50,35,17,5,1,11,27,55,82,92,77,47,20,6,1,
%U 12,33,73,123,158,154,113,61,24,6,1,13,39,95,178,257,286,245,160
%N Triangle of numbers [ C(n,k)/k ], k=1..n-1.
%t Flatten[Table[Floor[Binomial[n,k]/k],{n,20},{k,n-1}]] (* _Harvey P. Dale_, Apr 19 2015 *)
%Y Columns include A011848, A011849, A011850, A011851, A011852, A011853, A011854, A011855, A011856. Row sums are in A101687. Cf. A011847.
%K tabl,nonn,easy
%O 2,1
%A _N. J. A. Sloane_.