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 A023753 Plaindromes: numbers whose digits in base 12 are in nondecreasing order. 2
 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 39, 40, 41, 42, 43, 44, 45, 46, 47, 52, 53, 54, 55, 56, 57, 58, 59, 65, 66, 67, 68, 69, 70, 71, 78, 79, 80, 81, 82, 83, 91, 92, 93, 94, 95, 104 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..10000 MATHEMATICA Select[Range[0, 104], LessEqual@@IntegerDigits[#, 12]&] (* Ray Chandler, Jan 06 2014 *) Select[Range[0, 120], Min[Differences[IntegerDigits[#, 12]]]>-1&] (* Harvey P. Dale, Jul 10 2023 *) PROG (PARI) is(n)=vecsort(n=digits(n, 12))==n for(n=0, 2, forvec(d=vector(n, i, [1, 11]), print1(fromdigits(d, 12)", "), 1)) \\ M. F. Hasler, May 05 2020 CROSSREFS Cf. A000225, A023745, ..., A023757 (nondecreasing digits in base 2, 3, ..., 16). Cf. A023758, A023759, ..., A023771 (nonincreasing digits in base 2, 3, ..., 16). Sequence in context: A361232 A027855 A031996 * A035332 A318536 A048991 Adjacent sequences: A023750 A023751 A023752 * A023754 A023755 A023756 KEYWORD nonn,base,easy AUTHOR Olivier Gérard EXTENSIONS Change offset to 1 by Ray Chandler, Jan 06 2014 STATUS approved

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Last modified March 4 02:53 EST 2024. Contains 370522 sequences. (Running on oeis4.)