
0, 1, 2, 3, 4, 19, 6, 7, 8, 9, 38, 13, 12, 11, 14, 57, 16, 59, 18, 5, 76, 21, 26, 53, 24, 361, 22, 27, 28, 109, 114, 31, 32, 39, 118, 133, 36, 41, 10, 33, 152, 37, 42, 103, 52, 171, 106, 61, 48, 49, 722, 177, 44, 23, 54, 247, 56, 15, 218, 17, 228, 47, 62, 63, 64
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OFFSET

0,3


COMMENTS

a(n) has the same prime signature as n: The permutation maps primes to primes, squares to squares, cubes to cubes, and so on. Permutation A234748 shares the same property.


LINKS

Antti Karttunen, Table of n, a(n) for n = 0..624
Index entries for sequences that are permutations of the natural numbers


FORMULA

a(n) = A235042(A057889(A235041(n))).


EXAMPLE

Example of multiplicativity:
a(5)=19, a(11)=13, a(55) = a(5*11) = a(5) * a(11) = 19*13 = 247.


PROG

(Scheme) (define (A245453 n) (A235042 (A057889 (A235041 n))))


CROSSREFS

Cf. A057889, A235041, A235042, A234748, A245450, A235027.
Sequence in context: A123702 A265367 A265902 * A067805 A092837 A058772
Adjacent sequences: A245450 A245451 A245452 * A245454 A245455 A245456


KEYWORD

nonn,mult


AUTHOR

Antti Karttunen, Aug 07 2014


STATUS

approved

