A365080 Inverse permutation to A364885.

0, 1, 3, 2, 6, 4, 9, 5, 10, 7, 13, 8, 27, 14, 54, 20, 15, 11, 18, 12, 34, 19, 64, 26, 65, 35, 104, 44, 405, 119, 1539, 230, 21, 16, 24, 17, 42, 25, 75, 33, 76, 43, 118, 53, 433, 134, 1594, 251, 135, 77, 189, 90, 629, 209, 2144, 377, 2210, 665, 5564, 1034

Offset: 0

Author

Rémy Sigrist, Aug 20 2023

Keywords

• nonn
• base

Examples

			A364885(42) = 36, hence a(36) = 42.
		

Links

• Rémy Sigrist, PARI program
• Index entries for sequences that are permutations of the natural numbers

Crossrefs

Cf. A000217, A006893, A364885.

Programs

PARI

See Links section.

Formula

a(2^k) = A000217(k + 1) for any k >= 0.

Apparently, a(2^k-1) = A006893(k) for any k > 0.