References to A168239

Iterate the map n -> sum of largest digit of all divisors of n; sequence gives number of steps to reach 14.
6, 5, 4, 12, 11, 3, 2, 6, 7, 7, 10, 5, 0, 1, 7, 3, 9, 8, 2, 6, 12, 5, 13, 8, 11, 3, 12, 8, 12, 5


2 seqfan posts

Tue May 22 17:30:23 CEST 2012    [seqfan] Re: A168573
Tue May 22 16:40:29 CEST 2012    [seqfan] Re: A168573

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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