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 A274053 #10 Jun 13 2016 02:55:54 %S A274053 2,17,2089,27289,3030569,6808609,1632201497 %N A274053 Least squarefree number that is the sum of a nonzero square and a positive cube in exactly n ways. %e A274053 a(1) = 2 because 2 = 1^2 + 1^3. %e A274053 a(2) = 17 because 17 = 4^2 + 1^3 = 3^2 + 2^3. %e A274053 a(3) = 2089 because 2089 = 45^2 + 4^3 = 33^2 + 10^3 = 19^2 + 12^3. %e A274053 a(4) = 27289 because 27289 = 29*941 = 165^2 + 4^3 = 129^2 + 22^3 = 108^2 + 25^3 = 17^2 + 30^3. %Y A274053 Cf. A005117, A055394, A060835, A122956, A173795. %K A274053 nonn,more %O A274053 1,1 %A A274053 _Altug Alkan_, Jun 08 2016 %E A274053 a(6)-a(7) from _Giovanni Resta_, Jun 12 2016