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 A136697 #2 Mar 30 2012 18:55:32 %S A136697 1,1,2,6,2,10,5,2,5,1,10,10,10,9,5,9,1,6,9,6,10,1,2,2,4,1,4,9,10,4,10, %T A136697 2,9,5,5,10,8,10,6,3,10,3,5,6,2,2,4,1,4,9,10,4,10,2,9,1,1,2,6,2,10,5, %U A136697 2,5,1,10,5,5,10,8,10,6,3,10,3,5,6,9,9,7,10,7,2,1,7,1,9,2,5,5,10,8,10,6,3 %N A136697 Final nonzero digit of n! in base 11. %e A136697 6! = 720 decimal = 5A5 undecimal, so a(6) = 5. %Y A136697 Cf. A000142, A136690, A136691, A136692, A136693, A136694, A136695, A136696, A008904, A136698, A136699, A136700, A136701, A136702. %K A136697 base,easy,nonn %O A136697 0,3 %A A136697 _Carl R. White_, Jan 16 2008