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 A136696 #2 Mar 30 2012 18:55:32 %S A136696 1,1,2,6,6,3,8,2,7,7,7,5,6,6,3,2,5,4,8,8,7,3,3,6,1,7,2,6,6,3,4,7,8,3, %T A136696 3,6,6,6,3,7,1,5,3,3,6,3,3,6,8,5,7,6,6,3,8,8,7,3,3,6,1,7,2,5,5,1,3,3, %U A136696 6,4,1,8,1,1,2,6,6,3,8,2,7,7,7,5,6,6,3,2,5,4,4,4,8,6,6,3,5,8,1,2 %N A136696 Final nonzero digit of n! in base 9. %e A136696 6! = 720 decimal = 880 nonary, so a(6) = 8. %Y A136696 Cf. A000142, A136690, A136691, A136692, A136693, A136694, A136695, A008904, A136697, A136698, A136699, A136700, A136701, A136702. %K A136696 base,easy,nonn %O A136696 0,3 %A A136696 _Carl R. White_, Jan 16 2008