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A151956
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a(1) = 1002; thereafter a(n) = (a(n-1) with digits sorted into descending order) - (a(n-1) with digits sorted into ascending order) (see the Kaprekar map, A151949).
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2
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1002, 2088, 8532, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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For the list of fixed points see A099009.
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LINKS
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Table of n, a(n) for n=1..39.
Index entries for the Kaprekar map
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CROSSREFS
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Cf. A099009, A151947, A151949, A151950, A069746, A151955, A151951, A151957.
Sequence in context: A262596 A213316 A169828 * A111349 A182935 A013686
Adjacent sequences: A151953 A151954 A151955 * A151957 A151958 A151959
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KEYWORD
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nonn,base
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AUTHOR
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Harvey P. Dale, Aug 18 2009
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STATUS
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approved
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