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A366285
a(n) = A366275(n) / gcd(n, A366275(n)), where A366275 is the Cat's tongue permutation.
5
1, 2, 2, 1, 2, 9, 1, 5, 2, 3, 9, 15, 1, 25, 5, 7, 2, 81, 3, 45, 9, 25, 15, 21, 1, 5, 25, 35, 5, 49, 7, 11, 2, 81, 81, 27, 3, 225, 45, 21, 9, 375, 25, 105, 15, 49, 21, 33, 1, 625, 5, 175, 25, 245, 35, 1, 5, 343, 49, 77, 7, 121, 11, 13, 2, 729, 81, 405, 81, 225, 27, 189, 3, 1125, 225, 21, 45, 63, 21, 99, 9, 625, 375, 525
OFFSET
0,2
COMMENTS
Denominator of n / A366275(n).
FORMULA
a(n) = A366275(n) / A366283(n) = A366275(n) / gcd(n, A366275(n))
PROG
(PARI) A366285(n) = { my(u=A366275(n)); (u/gcd(n, u)); }; \\ Uses the program given in A366275.
CROSSREFS
Cf. A057889, A163511, A366275, A366282, A366283, A366284 (numerators), A366286 (rgs-transform).
Cf. also A364492.
Sequence in context: A192395 A014243 A366375 * A364492 A124839 A336846
KEYWORD
nonn,frac
AUTHOR
Antti Karttunen, Oct 07 2023
STATUS
approved