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 A064210 #12 May 13 2013 01:48:10 %S A064210 1,7,10,19,67,70,100,190,670,700,1000,1900,6700,7000,10000,19000, %T A064210 67000,70000,100000,124499,190000,670000,700000,1000000,1244990, %U A064210 1900000,6700000,7000000,10000000,12449900,19000000,67000000,70000000,100000000 %N A064210 Numbers n such that sum of the digits of n is >= the sum of the digits of n^4. %C A064210 If n is in the sequence, so is 10n. See A122484 for the subsequence of terms not ending in "0". [_Charles R Greathouse IV_, Jan 12 2012] %t A064210 Select[ Range[ 10^7 ], Apply[ Plus, IntegerDigits[ # ]] >= Apply[ Plus, IntegerDigits[ #^4 ]] & ] %K A064210 base,nonn %O A064210 1,2 %A A064210 _Robert G. Wilson v_, Sep 21 2001 %E A064210 More terms from _Martin Raab_, Aug 08 2006