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A099009
List of fixed points of the Kaprekar mapping f(n) = n' - n'', where in n' the digits of n are arranged in descending, in n'' in ascending order.
+0
31
0, 495, 6174, 549945, 631764, 63317664, 97508421, 554999445, 864197532, 6333176664, 9753086421, 9975084201, 86431976532, 555499994445, 633331766664, 975330866421, 997530864201, 999750842001, 8643319766532, 63333317666664
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 6 22:55 EST 2009. Contains 170429 sequences.
AT&T Labs Research
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