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Search: id:A151955
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A151955 a(1) = 102; 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). +0
5
102, 198, 792, 693, 594, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495, 495 (list; graph; listen)
OFFSET

1,1

COMMENT

102 is the smallest starting value which does not converge to 0.

Converges to the fixed point 495. For the list of fixed points see A099009.

LINKS

Index entries for the Kaprekar map

CROSSREFS

Cf. A099009, A151946, A151949, A151947, A151957.

Sequence in context: A145578 A006316 A053326 this_sequence A044334 A044715 A078787

Adjacent sequences: A151952 A151953 A151954 this_sequence A151956 A151957 A151958

KEYWORD

nonn,base

AUTHOR

Harvey P. Dale (hpd1(AT)nyu.edu). Aug 18 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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