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%I #3 Mar 30 2012 18:50:26
%S 0,1,1,8,8,8,27,27,64,64,64,64,125,125,125,216,216,216,216,343,343,
%T 343,343,512,512,512,512,729,729,729,729,729,1000,1000,1000,1000,1000,
%U 1331,1331,1331,1331,1331,1728,1728,1728,1728,1728,2197,2197
%N Largest integer cube <= n^2.
%C a(n) + A075847(n) = n^2.
%e a(20)=343, as 343=7^3 is the largest cube <= 400=20^2.
%Y Cf. A000578, A000290, A077107, A065733, A077110, A077113.
%K nonn
%O 0,4
%A _Reinhard Zumkeller_, Oct 29 2002