A341055 Inverse permutation to A341054.

0, 1, 4, 2, 3, 12, 13, 11, 5, 6, 7, 10, 8, 9, 36, 37, 35, 38, 39, 40, 34, 32, 33, 15, 16, 14, 17, 18, 19, 22, 20, 21, 30, 31, 29, 23, 24, 25, 28, 26, 27, 108, 109, 107, 110, 111, 112, 106, 104, 105, 114, 115, 113, 116, 117, 118, 121, 119, 120, 102, 103, 101

Offset: 0

Author

Rémy Sigrist, Apr 25 2021

Keywords

• nonn
• base

Comments

This sequence is similar to A003188.

Examples

			A341054(42) = 76, so a(76) = 42.
		

Links

• Rémy Sigrist, Table of n, a(n) for n = 0..9841
• Index entries for sequences that are permutations of the natural numbers

Crossrefs

Cf. A003188, A059095, A341054.

Programs

PARI

a(n) = { my (d=[], s=Mod(0, 3)); while (n, my (t=centerlift(Mod(n, 3))); n=(n-t)\3; d=concat(t, d)); for (k=1, #d, d[k] = centerlift(d[k]-s); s+=d[k]); fromdigits(d, 3) }