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 A123135 #10 Nov 06 2019 13:21:22 %S A123135 2,16,36,74,133,225,353,520,747,1001,1339,1746,2216,2761,3393,4115, %T A123135 4930,5850,6887,8008,9279,10667,12184,13842,15644,17602,19710,21971, %U A123135 24415,27009,29819,32794,35964,39323,42901,46683,50672,54898,59346,64010 %N A123135 a(n) = n^3 plus sum of digits of n^3. %H A123135 Harvey P. Dale, <a href="/A123135/b123135.txt">Table of n, a(n) for n = 1..1000</a> %H A123135 A. Frank & P. Jacqueroux, <a href="http://www.paulcooijmans.com/others/intcontest.pdf">International Contest</a>, 2001. Item 24 %F A123135 a(n) = A062028(A000578(n)). - _Michel Marcus_, Dec 02 2013 %e A123135 a(4) = 4^3 + sum of digits of 4^3 = 64 + (6 + 4) = 74. %t A123135 #+Total[IntegerDigits[#]]&/@(Range[40]^3) (* _Harvey P. Dale_, Nov 06 2019 *) %o A123135 (PARI) a(n) = my(d = digits(n^3)); n^3 + sum(i=1, #d, d[i]); \\ _Michel Marcus_, Dec 02 2013 %K A123135 nonn,base %O A123135 1,1 %A A123135 Herman Jamke (hermanjamke(AT)fastmail.fm), Sep 30 2006