login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Plaindromes: numbers whose digits in base 15 are in nondecreasing order.
1

%I #13 Apr 02 2014 10:20:09

%S 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,16,17,18,19,20,21,22,23,24,25,26,

%T 27,28,29,32,33,34,35,36,37,38,39,40,41,42,43,44,48,49,50,51,52,53,54,

%U 55,56,57,58,59,64,65,66,67,68,69,70,71,72,73,74,80,81,82,83,84

%N Plaindromes: numbers whose digits in base 15 are in nondecreasing order.

%H Vincenzo Librandi, <a href="/A023756/b023756.txt">Table of n, a(n) for n = 1..8000</a>

%t Select[Range[0,84],LessEqual@@IntegerDigits[#,15]&] (* _Ray Chandler_, Jan 06 2014 *)

%K nonn,base,easy

%O 1,3

%A _Olivier Gérard_

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