%I A113763
%S A113763 1,2,3,4,5,6,7,8,9,10,11,12,14,15,16,17,18,19,20,21,22,23,24,25,27,28,
%T A113763 29,30,31,32,33,34,35,36,37,38,40,41,42,43,44,45,46,47,48,49,50,51,53,
%U A113763 54,55,56,57,58,59,60,61,62,63,64,66,67,68,69,70,71,72,73,74,75,76,77
%N A113763 Non-multiples of (12+1), or numbers not divisible by (12+1).
%C A113763 Cf. A011760 Elevator buttons in U.S.A. A023806 Xenodromes: all digits 
               in base 12 are different.
%H A113763 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Triskaidekaphobia.html">Triskaidekaphobia</a>
%F A113763 a(n) = n+floor((2n-1)/24) = n+quotient(2n-1, 24)
%t A113763 Table[n+Quotient[2n-1, 24], {n, 1, 85}];(* or *)Table[n+Floor[(2n-1)/
               24], {n, 1, 85}]
%o A113763 (Other) sage: [i for i in range(80) if gcd(13,i) == 1] [From Zerinvary 
               Lajos (zerinvarylajos(AT)yahoo.com), Apr 21 2009]
%Y A113763 Cf. A011760, A023806.
%Y A113763 Sequence in context: A011760 A085265 A023806 this_sequence A023754 A085824 
               A014157
%Y A113763 Adjacent sequences: A113760 A113761 A113762 this_sequence A113764 A113765 
               A113766
%K A113763 nonn
%O A113763 1,2
%A A113763 Zak Seidov (zakseidov(AT)yahoo.com), Jan 18 2006