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 A136700 #2 Mar 30 2012 18:55:32 %S A136700 1,1,2,6,10,8,6,10,10,6,4,2,10,4,4,4,8,10,12,4,10,8,8,2,6,10,8,6,12, %T A136700 12,10,2,8,12,2,12,12,10,2,8,12,2,6,6,12,8,4,6,8,2,2,4,12,6,2,12,6,6, %U A136700 12,8,4,6,8,8,8,2,6,10,8,6,2,2,4,12,6,2,12,10,10,6,4,2,10,4,10,10,6,4,2,10,4 %N A136700 Final nonzero digit of n! in base 14. %e A136700 6! = 720 decimal = 396 quatridecimal, so a(6) = 6. %Y A136700 Cf. A000142, A136690, A136691, A136692, A136693, A136694, A136695, A136696, A008904, A136697, A136698, A136699, A136701, A136702. %K A136700 base,easy,nonn %O A136700 0,3 %A A136700 _Carl R. White_, Jan 16 2008