|
%I
%S 2310,2730,3570,3990,4290,4830,5610,6006,6090,6270,6510,6630,7410,
%T 7590,7770,7854,8610,8778,8970,9030,9282,9570,9690,9870,10010,10230,
%U 10374,10626,11130,11310,11730,12090,12210,12390,12558,12810,13090,13110
%N Products of 5 distinct primes.
%H T. D. Noe, <a href="/A046387/b046387.txt">Table of n, a(n) for n=1..10000</a>
%e a(1) = 2310 = 2 * 3 * 5 * 7 * 11 = A002110(5) = 5#.
%e a(2) = 2730 = 2 * 3 * 5 * 7 * 13.
%e a(3) = 3570 = 2 * 3 * 5 * 7 * 17.
%e a(10) = 6006 = 2 * 3 * 7 * 11 * 13.
%t f5Q[n_]:=Last/@FactorInteger[n]=={1, 1, 1, 1, 1}; lst={};Do[If[f5Q[n], AppendTo[lst, n]], {n, 8!}];lst [From _Vladimir Joseph Stephan Orlovsky_, Aug 26 2008]
%Y Cf. A067885 (product of 6 distinct primes)
%Y Cf. A000040, A000961, A001221, A005117, A000977, A002110, A006881, A007304, A007774, A033992, A033993, A046386.
%Y Cf. A014614, A046403, A051270.
%K easy,nonn
%O 1,1
%A _Patrick De Geest_, Jun 15 1998.
%E Entry revised by _N. J. A. Sloane_, Apr 10 2006
|
