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Search: id:A004186
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| A004186 |
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Arrange digits of n in decreasing order. |
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+0
3
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| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 21, 31, 41, 51, 61, 71, 81, 91, 20, 21, 22, 32, 42, 52, 62, 72, 82, 92, 30, 31, 32, 33, 43, 53, 63, 73, 83, 93, 40, 41, 42, 43, 44, 54, 64, 74, 84, 94, 50, 51, 52, 53, 54, 55, 65, 75, 85, 95, 60, 61, 62, 63, 64, 65, 66, 76, 86, 96, 70, 71, 72
(list; graph; listen)
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OFFSET
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0,3
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COMMENT
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a(A009996(n)) = A009996(n). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 31 2007
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LINKS
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R. Zumkeller, Table of n, a(n) for n = 0..10000
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PROGRAM
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Contribution from Michael Porter (michael_b_porter(AT)yahoo.com), Nov 11 2009: (Start)
(PARI) digits(n) = if(n<10, [n], concat(digits(floor(n/10)), n%10))
reconstruct(m) = {local(r); r=0; for(i=1, matsize(m)[2], r=r*10+m[i]); r}
A004186(n) = reconstruct(vecsort(digits(n), , 4)) (End)
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CROSSREFS
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Cf. A064222.
Sequence in context: A130575 A068637 A064222 this_sequence A034704 A023792 A032946
Adjacent sequences: A004183 A004184 A004185 this_sequence A004187 A004188 A004189
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KEYWORD
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nonn,base,new
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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More terms from Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 31 2007
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