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 A227362 Distinct digits of n arranged in decreasing order. 12
 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 21, 31, 41, 51, 61, 71, 81, 91, 20, 21, 2, 32, 42, 52, 62, 72, 82, 92, 30, 31, 32, 3, 43, 53, 63, 73, 83, 93, 40, 41, 42, 43, 4, 54, 64, 74, 84, 94, 50, 51, 52, 53, 54, 5, 65, 75, 85, 95, 60, 61, 62, 63, 64, 65, 6, 76, 86 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS a(n) <= 9876543210; a(a(n)) = a(n); A055642(a(n)) <= 10; A055642(a(n)) <= A055642(n), A055642(a(n)) = A055642(n) iff A178788(n) = 1; a(A109303(n)) < A109303(n); a(A009995(n)) = A009995(n); a(A071589(n)) > A071589(n); a(n) = A151949(n) + A180410(n). LINKS Reinhard Zumkeller, Table of n, a(n) for n = 0..10000 MAPLE a:= n-> parse(cat(sort([{convert(n, base, 10)[]}[]], `>`)[])): seq(a(n), n=0..68); # Alois P. Heinz, Sep 21 2022 MATHEMATICA f[n_] := FromDigits[Reverse@ Union@ IntegerDigits@ n]; f /@ Range[0, 68] (* Michael De Vlieger, Apr 16 2015, corrected by Robert G. Wilson v *) PROG (Haskell) import Data.List (nub, sort) a227362 = read . reverse . sort . nub . show :: Integer -> Integer (PARI) a(n) = {if (n == 0, d = [0], d = digits(n)); eval(subst(Pol(vecsort(d, , 12)), x, 10)); } \\ Michel Marcus, Apr 16 2015 (PARI) a(n)=fromdigits(vecsort(digits(n), , 12)) \\ Charles R Greathouse IV, Apr 16 2015 (Python) def A227362(n): return int(''.join(sorted(set(str(n)), reverse=True))) # Chai Wah Wu, Nov 23 2022 CROSSREFS Cf. A004186, A230959. Sequence in context: A106612 A137564 A056960 * A297236 A103693 A117230 Adjacent sequences: A227359 A227360 A227361 * A227363 A227364 A227365 KEYWORD nonn,base,look AUTHOR Reinhard Zumkeller, Jul 09 2013 STATUS approved

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Last modified June 3 17:18 EDT 2023. Contains 363116 sequences. (Running on oeis4.)