login
A093395
Numerators of n divided by the product of the anti-divisors of n.
2
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.
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 A373921 A126352
KEYWORD
nonn,frac
AUTHOR
Lior Manor, Mar 28 2004
EXTENSIONS
Name changed by Franklin T. Adams-Watters, Aug 21 2013
STATUS
approved