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

3,1

Comments

See A066272 for definition of anti-divisor.

Links

Table of n, a(n) for n=3..76.

Formula

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

Example

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).

Sequence in context: A123901 A349164 A214682 * A176774 A126352 A354998

Adjacent sequences: A093392 A093393 A093394 * A093396 A093397 A093398

Keyword

nonn,frac

Author

Lior Manor, Mar 28 2004

Extensions

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

Status

approved