A050729 Decimal expansion of 8^n contains no pair of consecutive equal digits (probably finite).

0, 1, 2, 3, 4, 5, 7, 10, 12, 16, 18, 22, 23, 29, 42

Offset

0,3

Links

Table of n, a(n) for n=0..14.

Example

8^42 = 85070591730234615865843651857942052864.

Crossrefs

Cf. A030704, A046266, A046274.

Sequence in context: A132975 A213267 A145977 * A117536 A104665 A094018

Adjacent sequences: A050726 A050727 A050728 * A050730 A050731 A050732

Keyword

nonn,base

Author

Patrick De Geest, Sep 15 1999

Status

approved