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 A175560 #8 Nov 21 2013 12:50:02 %S A175560 0,0,2,1,0,1,0,6,8,1,9,4,1,8,8,4,12,10,5,9,20,0,2,4,7,8,17,13,16,28, %T A175560 19,29,2,33,4,19,4,27,38,35,2,13,41,34,26,3,18,19,32,29,20,47,39,28, %U A175560 50,23,23,40,6,46,25,43,17,22,45,55,59,38,26,42,3,37,68,43,5,58,37,73,61,70,44,67,65,73,77,61,38,24,39,1,13,61,89,18,69,88,68,97,26,86,18,52,37,38,29,103,48,28,22,106,11,27,42,40,77,26,107,57,56,118 %N A175560 (Digit sum of 167^n) mod n. %t A175560 Table[Mod[Total[IntegerDigits[167^n]],n],{n,120}] (* _Harvey P. Dale_, Jul 14 2011 *) %Y A175560 Cf. A175558, A175559, A175552. %K A175560 base,nonn %O A175560 1,3 %A A175560 _N. J. A. Sloane_, Dec 03 2010