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 A051412 #4 Nov 13 2010 13:22:34 %S A051412 9,27,54,81,99,135,162,189,225,252,270,297,333,369,396,432,468,486, %T A051412 522,558,585,603,639,675,720,747,783,828,873,918,954,999,1053,1107, %U A051412 1143,1179,1233,1278,1323,1368,1395,1440,1485,1530,1566,1620,1647,1692,1755 %N A051412 a(n+1) = a(n) + sum of digits of a(n)^3. %Y A051412 Cf. A051373. %K A051412 nonn,base,easy,less %O A051412 1,1 %A A051412 Miklos SZABO (mike(AT)ludens.elte.hu)