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A084689 3^n uses only distinct decimal digits. 0
0, 1, 2, 3, 4, 5, 6, 7, 9 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

There are exactly 9 such n's that 3^n uses only distinct digits (in base 10).

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

9 is (the last!) term because 3^9=19683 uses only distinct digits.

MATHEMATICA

Select[Range[0, 10], Max[DigitCount[3^#]]<2&] (* Harvey P. Dale, Jan 24 2021 *)

CROSSREFS

Sequence in context: A243369 A228052 A308072 * A021085 A031006 A031978

Adjacent sequences:  A084686 A084687 A084688 * A084690 A084691 A084692

KEYWORD

fini,nonn,full,base

AUTHOR

Zak Seidov, Jul 01 2003

STATUS

approved

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Last modified July 3 06:54 EDT 2022. Contains 355031 sequences. (Running on oeis4.)