This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A093395 #19 Oct 16 2023 12:56:21 %S A093395 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, %T A093395 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, %U A093395 1,61,31,1,64,1,1,67,17,1,1,71,3,73,37,1,19 %N A093395 Numerators of n divided by the product of the anti-divisors of n. %C A093395 See A066272 for definition of anti-divisor. %F A093395 a(n) = n/GCD(n, A091507(n)) = n/A093394(n) %e A093395 The anti-divisors of 18 are 4, 5, 7, 12. Hence a(18) = 18/GCD(4*5*7*12, 18) = 3. %Y A093395 Cf. A066417, A091507, A093394, A093396 (denominators). %K A093395 nonn,frac %O A093395 3,1 %A A093395 _Lior Manor_, Mar 28 2004 %E A093395 Name changed by _Franklin T. Adams-Watters_, Aug 21 2013