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Number of partitions of n into 3 distinct parts from [ 1,9 ].
0

%I #5 Mar 30 2012 16:47:27

%S 0,0,0,0,0,0,1,1,2,3,4,5,7,7,8,8,8,7,7,5,4,3,2,1,1,0,0,0,0,0,0,0,0,0,

%T 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

%U 0,0,0,0,0,0,0,0,0,0,0,0,0

%N Number of partitions of n into 3 distinct parts from [ 1,9 ].

%F Coefficient of t^3 in (1+tx)(1+tx^2)(1+tx^3)...(1+tx^9).

%K nonn

%O 0,9

%A _N. J. A. Sloane_.