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A227362
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Distinct digits of n arranged in decreasing order.
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11
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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
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OFFSET
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0,3
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COMMENTS
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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).
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LINKS
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Reinhard Zumkeller, Table of n, a(n) for n = 0..10000
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MATHEMATICA
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f[n_] := FromDigits[Reverse@ Union@ IntegerDigits@ n]; f /@ Range[0, 68]
(* Michael De Vlieger, Apr 16 2015, corrected by Robert G. Wilson v *)
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PROG
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(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
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CROSSREFS
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Cf. A004186, A230959.
Sequence in context: A137564 A106612 A056960 * A297236 A103693 A117230
Adjacent sequences: A227359 A227360 A227361 * A227363 A227364 A227365
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KEYWORD
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nonn,base,look
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AUTHOR
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Reinhard Zumkeller, Jul 09 2013
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STATUS
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approved
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