%I #5 Sep 11 2013 17:52:03
%S 1,1,3,4,1,1,1,8,9,5,11,4,13,7,3,8,17,9,19,5,7,11,23,2,25,2,27,2,29,2,
%T 31,2,33,17,35,9,37,38,39,40,41,7,43,44,45,46,47,12,49,5,17,26,53,27,
%U 5,28,57,58,59,5,61,31,21,8,13,66,67,68,69,14
%N Denominator of (n-th composite/n).
%C Denominator of (A002808(n)/n).
%o (PARI) lista(nn) = {compo = select(n->(! isprime(n) && (n != 1)), vector(nn, i, i)); for (i = 1, #compo, print1(denominator(compo[i]/i), ", "););} \\ _Michel Marcus_, Sep 11 2013
%Y Cf. A171527.
%K nonn,frac
%O 1,3
%A _Jaroslav Krizek_, Dec 11 2009
%E More terms from _Michel Marcus_, Sep 11 2013