%I A084789
%S A084789 1,4,9,12,18,36,81,108,162,256,288,324,512,576,648,768,864,1024,1152,
%T A084789 1296,1536,1728,2304,2592,3072,3456,4608,5184,6912,9216,10368,13824,
%U A084789 20736,27648,41472,82944,165888,196608,221184,262144,294912,331776
%N A084789 Increasing gaps between 3-smooth numbers (lower end).
%C A084789 a(n)=A084790(n)-A084788(n); a(n)=A003586(A084791(n)).
%Y A084789 Cf. A061987.
%Y A084789 Sequence in context: A038109 A067259 A060687 this_sequence A157650 A119640 
               A051233
%Y A084789 Adjacent sequences: A084786 A084787 A084788 this_sequence A084790 A084791 
               A084792
%K A084789 nonn
%O A084789 1,2
%A A084789 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 03 2003