cp's OEIS Frontend

A366375 a(n) = A332214(n) / gcd(n, A332214(n)), where A332214 is the Mersenne-prime fixing variant of permutation A163511.

%I A366375 #8 Oct 08 2023 21:17:55
%S A366375 1,2,2,1,2,9,1,1,2,3,9,49,1,21,1,1,2,81,3,343,9,7,49,25,1,63,21,35,1,
%T A366375 15,1,1,2,81,81,343,3,1029,343,125,9,441,7,175,49,5,25,961,1,27,63,
%U A366375 245,21,105,35,31,1,15,15,217,1,93,1,11,2,729,81,16807,81,2401,343,625,3,3087,1029,35,343,375,125,29791,9,49
%N A366375 a(n) = A332214(n) / gcd(n, A332214(n)), where A332214 is the Mersenne-prime fixing variant of permutation A163511.
%C A366375 Denominator of n / A332214(n).
%H A366375 Antti Karttunen, <a href="/A366375/b366375.txt">Table of n, a(n) for n = 0..8191</a>
%F A366375 a(n) = A332214(n) / A366373(n) = A332214(n) / gcd(n, A332214(n)).
%o A366375 (PARI) A366375(n) = (A332214(n)/gcd(n,A332214(n)));
%Y A366375 Cf. A332214, A366372, A366373, A366374 (numerators), A366376 (rgs-transform).
%Y A366375 Cf. also A364492, A366285.
%K A366375 nonn,frac
%O A366375 0,2
%A A366375 _Antti Karttunen_, Oct 08 2023