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 A178405 #5 Mar 30 2012 18:51:06 %S A178405 11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33, %T A178405 34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56, %U A178405 57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76 %N A178405 Numbers such that the rounded up arithmetic mean of their digits differs from their digital root. %C A178405 A004427(a(n)) <> A010888(a(n)); complement of A178404. %H A178405 R. Zumkeller, <a href="/A178405/b178405.txt">Table of n, a(n) for n = 1..10000</a> %K A178405 base,easy,nonn %O A178405 1,1 %A A178405 _Reinhard Zumkeller_, May 27 2010