This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A267189 #17 Feb 02 2016 03:36:55
%S A267189 1,8,64,343,512,3375,4096,12167,21952,29791,32768,59319,103823,166375,
%T A267189 216000,250047,262144,357911,493039,658503,778688,857375,1092727,
%U A267189 1367631,1404928,1685159,1906624,2048383,2097152,2460375,2924207,3442951,3796416,4019679,4657463,5359375,6128487
%N A267189 (Cubes of positive numbers) that are not the sum of three nonzero squares.
%C A267189 This is the intersection of A004214 and A000578.
%C A267189 The original definition of A134739 was ambiguous - this is the second way it could have been interpreted. The other way, now the official definition of A134739, being "Cubes of (positive numbers that are not the sum of three nonzero squares)".
%H A267189 Chai Wah Wu, <a href="/A267189/b267189.txt">Table of n, a(n) for n = 1..10000</a>
%o A267189 (PARI) is(n) = { my(a, b) ; a=1; while(a^2+1<n, b=1 ; while(b<=a && a^2+b^2<n, if(issquare(n-a^2-b^2), return(1) ) ; b++ ; ) ; a++ ; ) ; return(0) ; }
%o A267189 for(n=1, 200, if(!is(n^3), print1(n^3, ", "))); \\ _Altug Alkan_, Jan 18 2016
%Y A267189 Cf. A000578, A004214, A134739.
%K A267189 nonn
%O A267189 1,2
%A A267189 _N. J. A. Sloane_, Jan 18 2016
%E A267189 More terms from _Altug Alkan_, Jan 18 2016