A023781 - OEIS

%I #12 Jun 10 2019 23:07:54

%S 0,1,2,3,4,5,6,7,8,9,10,11,12,15,16,17,18,19,20,21,22,23,24,25,29,30,

%T 31,32,33,34,35,36,37,38,43,44,45,46,47,48,49,50,51,57,58,59,60,61,62,

%U 63,64,71,72,73,74,75,76,77,85,86,87,88,89,90,99,100,101,102,103

%N Metadromes: digits in base 13 are in strict ascending order.

%H Sean A. Irvine, <a href="/A023781/b023781.txt">Table of n, a(n) for n = 1..4096</a>

%t Select[Range[0,150],Min[Differences[IntegerDigits[#,13]]]>0&] (* _Harvey P. Dale_, Apr 10 2019 *)

%K nonn,base,fini,full,easy

%O 1,3

%A _Olivier Gérard_