References to A122985

Smallest composite number greater than n, relatively prime to n, such that a(n)-n is also composite.
9, 27, 25, 25, 9, 55, 15, 33, 25, 49, 15, 77, 21, 39, 49, 25, 21, 95, 25, 69, 25, 49, 27


1 seqfan posts

Mon Jan 26 00:54:36 CET 2009    [seqfan] Re: Add n to the composite a(n): the result is a composite too

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