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A151956 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). 2
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)
OFFSET

1,1

COMMENTS

For the list of fixed points see A099009.

LINKS

Table of n, a(n) for n=1..39.

Index entries for the Kaprekar map

CROSSREFS

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

KEYWORD

nonn,base

AUTHOR

Harvey P. Dale, Aug 18 2009

STATUS

approved

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Last modified May 26 05:25 EDT 2017. Contains 287077 sequences.