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Plaindromes: numbers whose digits in base 14 are in nondecreasing order.
1

%I #15 Feb 10 2022 19:42:58

%S 0,1,2,3,4,5,6,7,8,9,10,11,12,13,15,16,17,18,19,20,21,22,23,24,25,26,

%T 27,30,31,32,33,34,35,36,37,38,39,40,41,45,46,47,48,49,50,51,52,53,54,

%U 55,60,61,62,63,64,65,66,67,68,69,75,76,77,78,79,80,81,82,83,90

%N Plaindromes: numbers whose digits in base 14 are in nondecreasing order.

%H Vincenzo Librandi, <a href="/A023755/b023755.txt">Table of n, a(n) for n = 1..8000</a>

%t Select[Range[0,90],LessEqual@@IntegerDigits[#,14]&] (* _Ray Chandler_, Jan 06 2014 *)

%t Select[Range[0,100],Min[Differences[IntegerDigits[#,14]]]>=0&] (* _Harvey P. Dale_, Feb 10 2022 *)

%K nonn,base,easy

%O 1,3

%A _Olivier GĂ©rard_

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