References to A151959

Consider the Kaprekar map x->K(x) described in A151949. Sequence gives the smallest number that belongs to a cycle of length n under repeated iteration of this map, or -1 if there is no cycle of length n.
0, 53955, 64308654, 61974, 8642098753


7 seqfan posts

Wed Aug 19 22:56:40 CEST 2009    [seqfan] Re: help needed with sequences related to Kaprekar map
Wed Aug 19 22:56:40 CEST 2009    [seqfan] Re: help needed with sequences related to Kaprekar map
Wed Aug 19 21:56:33 CEST 2009    [seqfan] Re: help needed with sequences related to Kaprekar map
Wed Aug 19 21:21:25 CEST 2009    [seqfan] Re: help needed with sequences related to Kaprekar map
Wed Aug 19 21:14:48 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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