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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 A264966

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 August 26 00:35 EDT 2019. Contains 326324 sequences. (Running on oeis4.)