Largest divisor of n <= sqrt(n).
1, 1, 1, 2, 1, 2, 1, 2, 3, 2, 1, 3, 1, 2, 3, 4, 1, 3, 1, 4, 3, 2, 1, 4, 5, 2, 3, 4, 1, 5, 1, 4, 3, 2
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