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 A024972 #3 Mar 30 2012 18:56:00 %S A024972 6,15,29,54,88,139,203,271,369,479,615,770,960,1173,1415,1688,1990, %T A024972 2337,2692,3139,3585,4073,4592,5171,5796,6451,7198,7967,8818,9697, %U A024972 10667,11696,12729,13897,15055,16341,17672,19098,20567,22109,23721,25411,27191,29016 %N A024972 a(n) = position of n^3 + (n+1)^3 + (n+2)^3 in A003072. %K A024972 nonn %O A024972 1,1 %A A024972 _Clark Kimberling_