A353827 Inverse permutation to A353826.

0, 1, 2, 3, 4, 8, 6, 7, 5, 9, 10, 20, 12, 13, 17, 24, 25, 23, 18, 19, 11, 21, 22, 26, 15, 16, 14, 27, 28, 56, 30, 31, 35, 60, 61, 59, 36, 37, 47, 39, 40, 44, 51, 52, 50, 72, 73, 65, 75, 76, 80, 69, 70, 68, 54, 55, 29, 57, 58, 62, 33, 34, 32, 63, 64, 74, 66, 67

Offset: 0

Author

Rémy Sigrist, May 08 2022

Keywords

• nonn
• base

Examples

			A353826(11) = 20, so a(20) = 11.
		

Links

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

Crossrefs

Cf. A353826.

Programs

PARI

a(n) = { my (d=digits(n,3), p=Mod(1,3)); forstep (k=#d, 1, -1, if (d[k], p*=d[k]=lift(d[k]/p))); fromdigits(d, 3) }