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 A178401 #9 Mar 02 2018 02:13:55 %S A178401 1,1,1,1,1,1,1,1,1,1,1,2,1,0,0,0,0,0,0,0,0,1,2,1,0,0,0,0,0,0,0,0,1,2, %T A178401 1,0,0,0,0,0,0,0,0,1,2,1,0,0,0,0,0,0,0,0,1,2,1,0,0,0,0,0,0,0,0,1,2,1, %U A178401 0,0,0,0,0,0,0,0,1,2,1,0,0,0,0,0,0,0,0,1,2,1,0,0,0,0,0,0,0,0,1,2,1,2,1,0,0 %N A178401 Number of times the rounded up arithmetic mean of digits of n occurs in n, cf. A004427. %C A178401 a(A178402(n)) = 0; a(A050278(n)) = 1; a(A178403(n)) > 0; %C A178401 a(A010785(n)) > 0; a(A178358(n)) > 0; a(A178359(n)) > 0. %H A178401 R. Zumkeller, <a href="/A178401/b178401.txt">Table of n, a(n) for n = 0..25000</a> %K A178401 base,nonn %O A178401 0,12 %A A178401 _Reinhard Zumkeller_, May 27 2010