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

0,3

Comments

This sequence is similar to A003188.

Links

Rémy Sigrist, Table of n, a(n) for n = 0..9841

Index entries for sequences that are permutations of the natural numbers

Example

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

Prog

(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) }

Crossrefs

Cf. A003188, A059095, A341054.

Sequence in context: A069547 A282772 A227041 * A098046 A338247 A166198

Adjacent sequences: A341052 A341053 A341054 * A341056 A341057 A341058

Keyword

nonn,base

Author

Rémy Sigrist, Apr 25 2021

Status

approved