A093395 Numerators of n divided by the product of the anti-divisors of n.

3, 4, 5, 3, 7, 8, 3, 5, 11, 3, 13, 7, 1, 16, 17, 3, 19, 5, 1, 11, 23, 3, 5, 13, 1, 7, 29, 1, 31, 32, 1, 17, 1, 3, 37, 19, 1, 5, 41, 1, 43, 11, 1, 23, 47, 3, 7, 5, 1, 13, 53, 1, 1, 7, 1, 29, 59, 1, 61, 31, 1, 64, 1, 1, 67, 17, 1, 1, 71, 3, 73, 37, 1, 19

Offset: 3

Author

Lior Manor, Mar 28 2004

Keywords

• nonn
• frac

Comments

See A066272 for definition of anti-divisor.

Examples

			The anti-divisors of 18 are 4, 5, 7, 12. Hence a(18) = 18/GCD(4*5*7*12, 18) = 3.
		

Crossrefs

Cf. A066417, A091507, A093394, A093396 (denominators).

Formula

a(n) = n/GCD(n, A091507(n)) = n/A093394(n)

Extensions

Name changed by Franklin T. Adams-Watters, Aug 21 2013