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Plaindromes: numbers whose digits in base 16 are in nondecreasing order.
6

%I #17 Apr 02 2014 08:35:47

%S 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,17,18,19,20,21,22,23,24,25,26,

%T 27,28,29,30,31,34,35,36,37,38,39,40,41,42,43,44,45,46,47,51,52,53,54,

%U 55,56,57,58,59,60,61,62,63,68,69,70,71,72,73,74,75,76,77,78,79

%N Plaindromes: numbers whose digits in base 16 are in nondecreasing order.

%H Vincenzo Librandi, <a href="/A023757/b023757.txt">Table of n, a(n) for n = 1..6000</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Digit.html">Digit.</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Plaindrome.html">Plaindrome.</a>

%t Select[Range[0,79],LessEqual@@IntegerDigits[#,16]&] (* _Ray Chandler_, Jan 06 2014 *)

%K nonn,base,easy

%O 1,3

%A _Olivier GĂ©rard_

%E Change offset to 1 by _Ray Chandler_, Jan 06 2014