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 A116987 #5 Mar 30 2012 17:21:00 %S A116987 2,2,2,3,1,7,2,4,1,9,6,9,14,8,5,0,14,11,19,3,20,7,18,25,5,2,24,12,5, %T A116987 27,9,18,0,8,0,10,26,12,3,30,21,19,24,37,27,39,17,14,36,35,24,3,32,17, %U A116987 42,1,47,56,44,0,11,49,21,2,55,55,17,5,61,69,55,3,14,14,59,38,22,62 %N A116987 A variant of A014843 (see Mathematica code). %C A116987 Apparently the present definition of A014843 does not give the terms shown there. The present sequence is a failed attempt to reproduce them. %t A116987 Table[ Mod[Plus@@Table[Mod[Plus@@IntegerDigits[n,k],k],{k,2,n-1}],n],{n,3,100}] %K A116987 nonn,base %O A116987 3,1 %A A116987 _N. J. A. Sloane_, based on correspondence from _Olivier Gérard_, Mar 15 2006