%I A159993
%S A159993 1,30,3600,36000,4320000,24300000,23328000000,93312000000,3359232000000,
%T A159993 223948800000000,604661760000000000,36279705600000000000,
%U A159993 544195584000000000000,1360488960000000000000,326517350400000000000000
%N A159993 Denominator of Sum(A159990(k)/A159991(k): 0<=k<=n), numerator=A159992.
%H A159993 R. Zumkeller, <a href="b159993.txt">Table of n, a(n) for n = 0..30</a>
%Y A159993 A159991, subsequence of A051037, the 5-smooth numbers.
%Y A159993 Sequence in context: A001459 A115465 A152131 this_sequence A153470 A127849 
               A166845
%Y A159993 Adjacent sequences: A159990 A159991 A159992 this_sequence A159994 A159995 
               A159996
%K A159993 frac,nonn
%O A159993 0,2
%A A159993 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 01 2009