A365279 Inverse permutation to A365278.

0, 1, 3, 2, 7, 15, 6, 31, 63, 4, 5, 11, 14, 127, 255, 30, 511, 1023, 12, 13, 27, 62, 2047, 4095, 126, 8191, 16383, 8, 9, 19, 10, 23, 47, 22, 95, 191, 28, 29, 59, 254, 32767, 65535, 510, 131071, 262143, 60, 61, 123, 1022, 524287, 1048575, 2046, 2097151, 4194303

Offset: 0

Author

Rémy Sigrist, Aug 31 2023

Keywords

• nonn
• base

Examples

			A365278(42) = 273, hence a(273) = 42.
		

Links

• Rémy Sigrist, Table of n, a(n) for n = 0..6561
• Rémy Sigrist, PARI program
• Index entries for sequences that are permutations of the natural numbers

Crossrefs

Cf. A023416, A032924, A077267, A365278.

Programs

PARI

See Links section.

Formula

a(3*n) = 2*a(n).

a(A032924(k)) = 2^k - 1 for any k > 0.

A023416(a(n)) = A077267(n).