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 A273354 #11 May 22 2016 00:34:21 %S A273354 2,4624776 %N A273354 Least number that is the sum of 2 positive cubes in exactly n ways and also the sum of 2 positive squares in exactly n ways. %C A273354 4624776 is the first term of A272701. %C A273354 A011541(k) is not the sum of two nonzero squares for 2 <= k <= 6. %C A273354 If it exists, what is the a(3)? %e A273354 a(1) = 2 because 2 = 1^3 + 1^3 = 1^2 + 1^2. %e A273354 a(2) = 4624776 because 4624776 = 51^3 + 165^3 = 72^3 + 162^3 = 1026^2 + 1890^2 = 1350^2 + 1674^2. %Y A273354 Cf. A001235, A011541, A016032, A272701. %K A273354 nonn,hard,less,more,bref %O A273354 1,1 %A A273354 _Altug Alkan_, May 20 2016