A353661 Inverse permutation to A353660.

0, 2, 1, 4, 8, 7, 3, 6, 5, 10, 14, 13, 18, 26, 25, 17, 24, 23, 9, 12, 11, 16, 22, 21, 15, 20, 19, 28, 32, 31, 36, 44, 43, 35, 42, 41, 48, 56, 55, 64, 80, 79, 63, 78, 77, 47, 54, 53, 62, 76, 75, 61, 74, 73, 27, 30, 29, 34, 40, 39, 33, 38, 37, 46, 52, 51, 60, 72

Offset: 0

Author

Rémy Sigrist, May 02 2022

Keywords

• nonn
• look
• base

Examples

			A353660(7) = 5, so a(5) = 7.
		

Links

• Rémy Sigrist, Table of n, a(n) for n = 0..6560
• Rémy Sigrist, PARI program
• Index entries for sequences that are permutations of the natural numbers

Crossrefs

Cf. A353660.

Programs

PARI

See Links section.

Formula

a(n) < 3^k iff n < 3^k.