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%I #3 Mar 30 2012 17:29:22
%S 5,51,506,510,5610,51870,510510,50169210,504894390,50012172210,
%T 503520607590,50001975553530,501601785815130,50073188107872930,
%U 5000089945706645790,50617203592231346070,5000858931483646541310
%N Smallest number beginning with 5 that is the product of exactly n distinct primes.
%e a(4) = 510 = 2*3*5*17.
%Y Cf. A077326-A077334, A106411-A106419, A106421-A106429.
%K base,nonn
%O 1,1
%A _Ray Chandler_, May 02 2005
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