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 A023757 Plaindromes: numbers whose digits in base 16 are in nondecreasing order. 3
 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, 27, 28, 29, 30, 31, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..6000 Eric Weisstein's World of Mathematics, Digit. Eric Weisstein's World of Mathematics, Plaindrome. MATHEMATICA Select[Range[0, 79], LessEqual@@IntegerDigits[#, 16]&] (* Ray Chandler, Jan 06 2014 *) CROSSREFS Sequence in context: A013938 A023809 A046100 * A115105 A121176 A028261 Adjacent sequences:  A023754 A023755 A023756 * A023758 A023759 A023760 KEYWORD nonn,base,easy AUTHOR EXTENSIONS Change offset to 1 by Ray Chandler, Jan 06 2014 STATUS approved

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Last modified May 26 02:35 EDT 2019. Contains 323579 sequences. (Running on oeis4.)