The greatest common prime divisor of A000032(n)-1 and A001608(n), or 1 of no such divisor exists.
2, 3, 2, 5, 1, 7, 2, 3, 1, 11, 1, 13, 1, 1, 2, 17, 1, 19, 1, 1, 2, 23, 1, 5, 1, 3, 1, 29, 1, 31, 2
5 seqfan posts
Wed May 26 20:21:59 CEST 2010 [seqfan] Re: A178375
Wed May 26 19:00:38 CEST 2010 [seqfan] Re: A178375
Wed May 26 18:13:46 CEST 2010 [seqfan] Re: A178375
Wed May 26 17:13:40 CEST 2010 [seqfan] Re: A178375
Wed May 26 16:53:59 CEST 2010 [seqfan] A178375
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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