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 A269569 #5 Apr 02 2016 22:45:04 %S A269569 0,2,4,8,29,37,45,56,68,80,92,99,115,235,257,279,413,593,751,791,831, %T A269569 909,955,1001,1396,1450,1504,1572,1961,2019,2087,2500,2576,3093,3634, %U A269569 3720,4129,4223,4317,4522,4624,4726,5816,5928,6040,7110,7232,7354,7535,7665,8368,8500 %N A269569 Numbers k such that k+s+c is a square, where s is the nearest square to k and c is the nearest cube to k. %e A269569 The square nearest to 8 is 9, the cube nearest to 8 is 8. Because 8+8+9 is a square, 8 is in the sequence. %e A269569 The square nearest to 29 is 25, the cube nearest to 29 is 27. Because 29+25+27 is a square, 29 is in the sequence. %Y A269569 Cf. A000290, A000578, A238456, A238489. %K A269569 nonn %O A269569 1,2 %A A269569 _Alex Ratushnyak_, Feb 29 2016