login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A321525 Left-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, 16, 21, 22, 25, 18, 11, 20, 15, 14, 17, 24, 23, 26, 27, 28, 55, 30, 31, 34, 57, 58, 61, 36, 37, 46, 39, 40, 43, 48, 49, 52, 63, 64, 73, 66, 67, 70, 75, 76, 79, 54, 29, 56, 33, 32, 35, 60, 59, 62, 45, 38, 47, 42, 41 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

This sequence is a permutation of the nonnegative integers with inverse A321524.

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    16     112        121

  15    21     120        210

  16    22     121        211

  17    25     122        221

PROG

(PARI) a(n, base=3) = my (d=digits(n, base), t=select(sign, d), i=0); for (j=1, #d, if (d[j], d[j]=t[1+(i++%#t)])); fromdigits(d, base)

CROSSREFS

Cf. A321464, A321524 (inverse).

Sequence in context: A055265 A117922 A266643 * A321524 A321464 A263273

Adjacent sequences:  A321522 A321523 A321524 * A321526 A321527 A321528

KEYWORD

nonn,base

AUTHOR

Rémy Sigrist, Nov 13 2018

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 22 00:43 EDT 2019. Contains 326169 sequences. (Running on oeis4.)