References to A159587

a(n) is the smallest number not yet in the sequence with the same number of distinct prime divisors as n, but relatively prime to n.
1, 3, 2, 5, 4, 35, 8, 7, 11, 21, 9, 55, 16, 15, 14, 13, 19, 65, 17, 33, 10, 39, 25, 77, 23


2 seqfan posts

Mon Apr 27 20:16:44 CEST 2009    [seqfan] Re: Symmetric Relations and Self-Inverse Permutations
Thu Apr 16 23:46:42 CEST 2009    [seqfan] Re: Symmetric Relations and Self-Inverse Permutations

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