A235494 Permutation of natural numbers: a(n) = A235489(A235201(n)).

0, 1, 2, 4, 3, 7, 9, 5, 6, 18, 14, 17, 12, 23, 10, 28, 8, 11, 36, 13, 21, 20, 34, 61, 27, 49, 46, 81, 15, 43, 63, 59, 16, 68, 22, 35, 54, 37, 26, 92, 42, 83, 45, 29, 51, 126, 122, 107, 32, 25, 98, 44, 69, 19, 162, 119, 30, 52, 86, 31, 84, 151, 118, 90, 24

Offset: 0

Author

Antti Karttunen, Jan 11 2014

Keywords

• nonn

Comments

The permutation satisfies A000040(a(n)) = a(A000040(n)) for all positive n except for n=2.

In contrast to A235485/A235486 this permutation contains also infinite cycles.

Links

• Antti Karttunen, Table of n, a(n) for n = 0..10080
• Index entries for sequences that are permutations of the natural numbers

Crossrefs

Inverse: A235493. Cf. also A235201, A235489, A235485/A235486, A234743/A234744.

Programs

Scheme

(define (A235494 n) (A235489 (A235201 n)))

Formula

a(n) = A235489(A235201(n)).

Extensions

Name and incorrect claim about multiplicativity corrected by Antti Karttunen, Feb 12 2018