%I A011760
%S A011760 1,2,3,4,5,6,7,8,9,10,11,12,14,15,16,17,18,19,20,21,22,23,24,25,
%T A011760 26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
%U A011760 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69
%N A011760 Elevator buttons in U.S.A.
%H A011760 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Triskaidekaphobia.html">Triskaidekaphobia</a>
%Y A011760 Cf. A085265.
%Y A011760 Sequence in context: A043318 A044915 A161951 this_sequence A085265 A023806 
               A113763
%Y A011760 Adjacent sequences: A011757 A011758 A011759 this_sequence A011761 A011762 
               A011763
%K A011760 nonn,nice
%O A011760 1,2
%A A011760 Juan-Carlos Lerman (jclerm(AT)aztec.asu.edu)