%I

%S 0,2,7,32,56,156,266,498,750,1366,1846,3037,4086,5794,7615,11061,

%T 13597,18938,23262,30012,36537,47920,56072,71259,84110,102874,119889,

%U 148382,167710,204747,234427,275994,313632,370638,412408,487120

%N Number of ordered 5-tuples of integers from [ 2,n ] with no common factors among quadruples.

%K nonn

%O 2,2

%A _Olivier GĂ©rard_