A015651 - OEIS

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A015651

Number of ordered 5-tuples of integers from [ 2,n ] with no global factor.

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

%S 0,4,14,48,99,224,399,714,1135,1849,2694,4058,5664,7960,10690,14565,

%T 18804,24788,31358,39989,49610,62259,75549,93029,111680,134936,159931,

%U 191395,223543,264462,306962,358307,412363,478129,544720,626970

%N Number of ordered 5-tuples of integers from [ 2,n ] with no global factor.

%K nonn

%O 2,2

%A _Olivier Gérard_