A245448 Permutation of natural numbers: a(n) = A064216(A064216(n)).

1, 2, 3, 4, 5, 11, 10, 7, 9, 14, 17, 31, 13, 6, 12, 34, 8, 23, 59, 41, 71, 16, 19, 39, 25, 26, 58, 37, 61, 30, 44, 22, 33, 49, 18, 85, 86, 15, 38, 69, 29, 151, 35, 55, 42, 107, 57, 97, 106, 21, 191, 122, 53, 111, 134, 74, 145, 109, 46, 82, 89, 50, 47, 36, 157, 133, 121, 43, 92, 110, 68, 52, 131, 28

Offset: 1

Author

Antti Karttunen, Jul 22 2014

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 1..10001
• Index entries for sequences that are permutations of the natural numbers

Crossrefs

Inverse: A245447.

Fixed points: A245449.

Cf. A064216, A243501, A243502.

Programs

Scheme

(define (A245448 n) (A064216 (A064216 n)))

Formula

a(n) = A064216(A064216(n)).

For all n >= 1, A243502(n) = A243501(a(n)).