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Number of ordered 5-tuples of integers from [ 1,n ] with no common factors among triples.
0

%I #5 Mar 30 2012 17:20:41

%S 1,3,9,18,51,72,176,264,447,586,1128,1362,2374,2943,3868,4841,7578,

%T 8633,12828,14847,18432,21480,30081,33223,43022,49051,59449,66796,

%U 87627,93688,120554,134772,156325,173243,205164,219513,272331,298743

%N Number of ordered 5-tuples of integers from [ 1,n ] with no common factors among triples.

%K nonn

%O 1,2

%A _Olivier GĂ©rard_