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 A051408 #9 Jun 15 2019 14:07:39 %S A051408 3,12,30,39,66,102,120,138,165,192,237,255,291,318,345,372,417,444, %T A051408 489,525,552,597,633,669,714,759,804,849,885,921,966,1011,1038,1083, %U A051408 1128,1164,1218,1254,1299,1353,1407,1452,1488,1533,1578,1623,1668,1713,1758 %N A051408 a(n+1) = a(n) + sum of digits of (a(n)^3). %H A051408 Harvey P. Dale, <a href="/A051408/b051408.txt">Table of n, a(n) for n = 1..1000</a> %t A051408 NestList[#+Total[IntegerDigits[#^3]]&,3,50] (* _Harvey P. Dale_, Jun 15 2019 *) %Y A051408 Cf. A051373. %K A051408 easy,nonn,base %O A051408 1,1 %A A051408 Miklos SZABO (mike(AT)ludens.elte.hu)