A023793 - OEIS

%I #12 Oct 18 2020 16:33:14

%S 0,1,2,3,4,5,6,7,8,9,10,11,12,24,25,36,37,38,48,49,50,51,60,61,62,63,

%T 64,72,73,74,75,76,77,84,85,86,87,88,89,90,96,97,98,99,100,101,102,

%U 103,108,109,110,111,112,113,114,115,116,120,121,122,123,124,125

%N Katadromes: digits in base 12 are in strict descending order.

%H Sean A. Irvine, <a href="/A023793/b023793.txt">Table of n, a(n) for n = 1..4095</a>

%t Select[Range[0,150],AllTrue[Differences[IntegerDigits[#,12]],#<0&]&] (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Oct 18 2020 *)

%K nonn,base,fini,full,easy

%O 1,3

%A _Olivier Gérard_