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A321524 Right-rotate nonzero digits in ternary expansion of n and convert back to decimal. 2
0, 1, 2, 3, 4, 7, 6, 5, 8, 9, 10, 19, 12, 13, 22, 21, 14, 23, 18, 11, 20, 15, 16, 25, 24, 17, 26, 27, 28, 55, 30, 31, 58, 57, 32, 59, 36, 37, 64, 39, 40, 67, 66, 41, 68, 63, 38, 65, 42, 43, 70, 69, 44, 71, 54, 29, 56, 33, 34, 61, 60, 35, 62, 45, 46, 73, 48, 49 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

This sequence is a permutation of the nonnegative integers with inverse A321525.

LINKS

Rémy Sigrist, Table of n, a(n) for n = 0..6561

Index entries for sequences that are permutations of the natural numbers

FORMULA

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

EXAMPLE

The first terms, alongside the corresponding ternary representations, are:

n a(n) ter(n) ter(a(n))

-- ---- ------ ---------

0 0 0 0

1 1 1 1

2 2 2 2

3 3 10 10

4 4 11 11

5 7 12 21

6 6 20 20

7 5 21 12

8 8 22 22

9 9 100 100

10 10 101 101

11 19 102 201

12 12 110 110

13 13 111 111

14 22 112 211

15 21 120 210

16 14 121 112

17 23 122 212

PROG

(PARI) a(n, base=3) = my (d=digits(n, base), t=select(sign, d), i=-2); for (j=1, #d, if (d[j], d[j]=t[1+(i++%#t)])); fromdigits(d, base)

CROSSREFS

Cf. A321464, A321525 (inverse).

Sequence in context: A117922 A266643 A321525 * A321464 A263273 A337305

Adjacent sequences: A321521 A321522 A321523 * A321525 A321526 A321527

KEYWORD

nonn,base

AUTHOR

Rémy Sigrist, Nov 12 2018

STATUS

approved

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Last modified December 2 10:29 EST 2022. Contains 358493 sequences. (Running on oeis4.)