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%I #5 Mar 30 2012 17:20:41
%S 0,0,1,4,9,19,31,51,73,109,141,196,247,318,388,493,576,712,826,981,
%T 1126,1336,1494,1741,1951,2223,2467,2818,3066,3472,3802,4221,4597,
%U 5104,5484,6079,6556,7155,7669,8410,8928,9748,10396,11181,11896,12886
%N Number of triples of different integers from [ 2,n ] with no global factor.
%K nonn
%O 2,4
%A _Olivier Gérard_
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