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Consider the Kaprekar map n->K(n) defined in A151949. Sequence gives numbers belonging to cycles, including fixed points.
17

%I #17 Aug 25 2014 05:44:51

%S 0,495,6174,53955,59994,61974,62964,63954,71973,74943,75933,82962,

%T 83952,420876,549945,631764,642654,750843,840852,851742,860832,862632,

%U 7509843,7519743,7619733,8429652,8439552,8649432,8719722,9529641,43208766

%N Consider the Kaprekar map n->K(n) defined in A151949. Sequence gives numbers belonging to cycles, including fixed points.

%H Joseph Myers, <a href="/A164716/b164716.txt">Table of n, a(n) for n=1..29572</a>

%H <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a>

%Y Union of A099009 and A099010. Cf. A151949, A164717, A164718, A164720, A151965.

%Y In other bases: A163205 (base 2), A164998 (base 3), A165017 (base 4), A165037 (base 5), A165056 (base 6), A165076 (base 7), A165095 (base 8), A165115 (base 9). [From _Joseph Myers_, Sep 05 2009]

%K base,nonn

%O 1,2

%A _Joseph Myers_, Aug 23 2009