Largest integer k < n such that any prime factor of k is also a prime factor of n.
1, 1, 2, 1, 4, 1, 4, 3, 8, 1, 9, 1, 8, 9, 8, 1, 16, 1, 16, 9, 16, 1, 18, 5, 16, 9, 16, 1, 27, 1
4 seqfan posts
Mon Feb 27 02:57:37 CET 2012 [seqfan] Re: A079277 review
Mon Feb 27 02:55:10 CET 2012 [seqfan] Re: A079277 review
Sun Feb 26 23:21:08 CET 2012 [seqfan] Re: A079277 review
Sun Feb 26 22:04:17 CET 2012 [seqfan] Re: A079277 review
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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