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 A051409 #11 Jun 19 2025 12:25:22 %S A051409 4,14,31,59,85,104,130,149,184,212,247,275,319,356,382,428,463,509, %T A051409 544,590,616,662,697,743,769,815,850,869,913,959,1012,1049,1084,1121, %U A051409 1165,1202,1246,1292,1345,1382,1435,1499,1552,1598,1642,1679,1732,1787,1822 %N A051409 a(n+1) = a(n) + sum of digits of (a(n)^3). %H A051409 Harvey P. Dale, <a href="/A051409/b051409.txt">Table of n, a(n) for n = 1..1000</a> %t A051409 NestList[#+Total[IntegerDigits[#^3]]&,4,50] (* _Harvey P. Dale_, Jun 19 2025 *) %Y A051409 Cf. A051373. %K A051409 easy,nonn,base %O A051409 1,1 %A A051409 Miklos SZABO (mike(AT)ludens.elte.hu)