References to A094681

Smallest number <>n, not occurring earlier and having as many distinct prime factors as n has, with a(1) = 1.
1, 3, 2, 5, 4, 10, 8, 7, 11, 6, 9, 14, 16, 12, 18, 13, 19, 15, 17, 21, 20, 24, 25, 22, 23, 28


2 seqfan posts

Wed Apr 8 00:55:37 CEST 2009    [seqfan] Re: Symmetric Relations and Self-Inverse Permutations
Tue Apr 7 10:23:38 CEST 2009    [seqfan] 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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