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A084690 4^n uses only distinct decimal digits. 0
0, 1, 2, 3, 4, 5, 6, 7, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

There are exactly 9 such n's that 4^n uses only distinct digits.

LINKS

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

EXAMPLE

10 is (the last!) term because 4^10=1048576 uses only distinct digits.

CROSSREFS

Sequence in context: A007496 A082274 A029804 * A194963 A072794 A181820

Adjacent sequences:  A084687 A084688 A084689 * A084691 A084692 A084693

KEYWORD

fini,nonn,full,base

AUTHOR

Zak Seidov, Jul 01 2003

STATUS

approved

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Last modified October 26 12:28 EDT 2020. Contains 338027 sequences. (Running on oeis4.)