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A136762 Leading digit of n! in base 12. 14

%I #7 Aug 13 2014 09:29:39

%S 1,1,2,6,2,10,5,2,1,1,1,1,1,1,1,1,2,3,4,7,1,1,3,6,1,2,5,11,2,5,1,2,7,

%T 1,4,1,3,11,2,9,2,9,2,9,2,10,3,1,4,1,6,2,9,3,1,6,2,11,4,1,9,4,1,9,4,1,

%U 10,4,2,1,6,3,1,9,4,2,1,8,4,2,1,9,5,3,1,1,7,4,2,1,1,8,5,3,2,1,11,7,5,3

%N Leading digit of n! in base 12.

%H Michael De Vlieger, <a href="/A136762/b136762.txt">Table of n, a(n) for n = 0..10368</a> (10368 = 6 * 12^3)

%t f[n_]:=First[IntegerDigits[n!,12]]; lst={};Do[AppendTo[lst,f[n]],{n,0,2*5!}];lst (* _Vladimir Joseph Stephan Orlovsky_, Jun 14 2009 *)

%t a136762[n_Integer] := First[Select[IntegerDigits[n!, 12], # > 0 &]]; a136762 /@ Range[0, 144] (* _Michael De Vlieger_, Aug 13 2014 *)

%Y Cf. A000142, A136698, A136754, A136755, A136756, A136757, A136758, A136759, A136760, A008905, A136761, A136763, A136764, A136765, A136766.

%K base,easy,nonn

%O 0,3

%A _Carl R. White_, Jan 21 2008

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