A266404 Self-inverse permutation of natural numbers: a(n) = A250470(A030101(A250469(n))).

1, 2, 3, 4, 5, 6, 11, 8, 17, 10, 7, 12, 13, 20, 25, 16, 9, 18, 23, 14, 53, 22, 19, 28, 15, 36, 27, 24, 29, 40, 37, 32, 33, 34, 83, 26, 31, 42, 51, 30, 47, 38, 59, 44, 101, 76, 41, 60, 73, 68, 39, 52, 21, 84, 107, 56, 131, 72, 43, 48, 89, 80, 125, 64, 65, 66, 109, 50, 99, 82, 71, 58, 49, 74, 151, 46, 239, 78, 97, 62, 173, 70, 35, 54

Offset: 1

Author

Antti Karttunen, Jan 02 2016

Keywords

• nonn
• base

Links

• Antti Karttunen, Table of n, a(n) for n = 1..4096
• Index entries for sequences that are permutations of the natural numbers

Crossrefs

Cf. A000035, A030101, A057889, A250469, A250470.

Cf. A265329, A266402 (other conjugates or similar derivations of A057889).

Cf. also A266403.

Programs

Scheme

(define (A266404 n) (A250470 (A030101 (A250469 n))))

Formula

a(n) = A250470(A030101(A250469(n))) = A250470(A057889(A250469(n))).

Other identities. For all n >= 0:

A000035(a(n)) = A000035(n). [This permutation preserves the parity of n.]