A023766 - OEIS

%I #17 Jan 06 2014 17:21:42

%S 0,1,2,3,4,5,6,7,8,9,10,11,12,22,23,24,33,34,35,36,44,45,46,47,48,55,

%T 56,57,58,59,60,66,67,68,69,70,71,72,77,78,79,80,81,82,83,84,88,89,90,

%U 91,92,93,94,95,96,99,100,101,102,103,104,105,106,107,108,110

%N Nialpdromes: digits in base 11 are in nonincreasing order.

%H Vincenzo Librandi, <a href="/A023766/b023766.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Range[0, 900], Max[Differences[IntegerDigits[#, 11]]]<=0&] (* _Vincenzo Librandi_, Dec 26 2012 *)

%t Select[Range[0,110],GreaterEqual@@IntegerDigits[#,11]&] (* _Ray Chandler_, Jan 06 2014 *)

%K nonn,base,easy

%O 1,3

%A _Olivier Gérard_