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The number of numbers [ [ ix ]jx ] that equal n, where i >= 1, j >= 1 and x=e.
0

%I #5 Mar 30 2012 18:55:51

%S 0,0,0,0,1,0,0,0,0,1,0,0,1,0,0,1,0,0,0,0,2,0,0,0,0,0,3,0,0,0,0,1,0,0,

%T 1,0,0,1,0,1,0,0,3,0,0,0,0,1,0,0,1,0,0,3,0,0,1,0,1,0,0,0,0,0,3,0,1,0,

%U 0,2,0,0,1,0,0,1,0,1,0,0,3,0,0,0,0,4,0,0,0,0

%N The number of numbers [ [ ix ]jx ] that equal n, where i >= 1, j >= 1 and x=e.

%K nonn

%O 1,21

%A _Clark Kimberling_