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%I #3 Mar 30 2012 18:50:31
%S 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,21,22,23,24,
%T 25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,43,43,44,45,
%U 46,47,48,48,49,50,51,52,53,54,55,55,56,57,58,59,60,61,62,62,63,63,64,65
%N Number of numbers <= n that can be written as sum of two 3-smooth numbers.
%Y Cf. A081330, A081326, A003586, A081329.
%K nonn
%O 1,3
%A _Reinhard Zumkeller_, Mar 19 2003
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