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 A024669 #3 Mar 30 2012 18:55:59 %S A024669 2,5,9,14,20,30,40,50,61,77,91,107,125,145,165,186,212,238,262,288, %T A024669 321,350,380,412,450,485,519,556,600,642,683,724,776,822,868,915,974, %U A024669 1023,1074,1132,1191,1248,1305,1368,1433,1494,1554,1627,1696,1762,1828,1909 %N A024669 Position of n^3 + (n+1)^3 in A003325. %K A024669 nonn %O A024669 1,1 %A A024669 _Clark Kimberling_