Lower central (median) divisor of n.
1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 3, 1, 2, 3, 2, 1, 3, 1, 4, 3, 2, 1, 4, 1, 2, 3, 4, 1, 5, 1, 4, 3, 2, 5
1 seqfan posts
Mon Jun 7 16:43:30 CEST 2010 [seqfan] Re: A060798 Difference between upper and lower central divisors of n is 1