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, 495, 6174, 549945, 631764, 63317664, 97508421, 554999445, 864197532
3 seqfan posts
Wed Aug 19 21:56:33 CEST 2009 [seqfan] Re: help needed with sequences related to Kaprekar map
Wed Aug 19 20:45:32 CEST 2009 [seqfan] Re: help needed with sequences related to Kaprekar map
Wed Aug 19 19:19:15 CEST 2009 [seqfan] help needed with sequences related to Kaprekar map
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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