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 A293650 #15 Feb 06 2018 13:06:11 %S A293650 728,3367,4104,5859,46683,65728,68913,101528,124488,134379,152551, %T A293650 155736,165464,168112,184464,195841,205352,289224,333944,342657, %U A293650 402597,439101,622232,625177,684019,754299,757701,842751,845208,1009736,1016496,1062936,1073375 %N A293650 Sum of two (possibly negative) cubes in at least 3 ways (primitive solutions). %C A293650 Primitive means that the 6 summands are coprime. Not every term is the sum of two coprime cubes. a(1) = A047696(3). %H A293650 Rosalie Fay, <a href="/A293650/b293650.txt">Table of n, a(n) for n = 1..664</a> %e A293650 4104 = 18^3 - 12^3 = 16^3 + 2^3 = 15^3 + 9^3, and 18, -12, 16, 2, 15, 9 are coprime, so 4104 is in the sequence. %Y A293650 Cf. A051383 (all solutions); A003825 (positive cubes); A293651 (only coprime); A293645, A293647 %K A293650 nonn %O A293650 1,1 %A A293650 _Rosalie Fay_, Oct 16 2017