A084690 4^n uses only distinct decimal digits.

0, 1, 2, 3, 4, 5, 6, 7, 10

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 * A368431 A194963 A072794

Adjacent sequences: A084687 A084688 A084689 * A084691 A084692 A084693

Keyword

fini,nonn,full,base

Author

Zak Seidov, Jul 01 2003

Status

approved