A084689 - OEIS

A084689

3^n uses only distinct decimal digits.

0, 1, 2, 3, 4, 5, 6, 7, 9

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OFFSET

1,3

COMMENTS

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

LINKS

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

KEYWORD

fini,nonn,full,base

AUTHOR

Zak Seidov, Jul 01 2003

STATUS

approved