%I A023796
%S A023796 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,30,31,45,46,47,60,61,62,63,75,
%T A023796 76,77,78,79,90,91,92,93,94,95,105,106,107,108,109,110,111,120,121,
%U A023796 122,123,124,125,126,127,135,136,137,138,139,140,141,142,143,150
%N A023796 Katadromes: digits in base 15 are in strict descending order.
%Y A023796 Sequence in context: A052060 A084688 A023769 this_sequence A032950 A132032 
               A055645
%Y A023796 Adjacent sequences: A023793 A023794 A023795 this_sequence A023797 A023798 
               A023799
%K A023796 nonn,base,fini,easy
%O A023796 0,3
%A A023796 Olivier Gerard (olivier.gerard(AT)gmail.com)