%I A023799
%S A023799 0,1,2,3,4,6,7,8,9,11,12,13,14,18,19,24,27,28,30,33,35,36,39,44,45,
%T A023799 49,50,52,54,56,57,75,78,99,108,114,120,135,141,147,156,177,180,198,
%U A023799 201,210,216,225,228
%N A023799 Xenodromes: all digits in base 4 are different.
%Y A023799 Sequence in context: A020655 A031942 A043090 this_sequence A001959 A119930 
               A008320
%Y A023799 Adjacent sequences: A023796 A023797 A023798 this_sequence A023800 A023801 
               A023802
%K A023799 nonn,base,fini,full,easy
%O A023799 0,3
%A A023799 Olivier Gerard (olivier.gerard(AT)gmail.com)