A050731 Decimal expansion of 11^n contains no pair of consecutive equal digits (probably finite).

0, 2, 4, 5, 7, 9, 10, 12, 16

Offset

0,2

Links

Table of n, a(n) for n=0..8.

Example

11^16 = 45949729863572161.

Crossrefs

Cf. A030706.

Sequence in context: A284535 A244222 A360531 * A295579 A098794 A256228

Adjacent sequences: A050728 A050729 A050730 * A050732 A050733 A050734

Keyword

nonn,base

Author

Patrick De Geest, Sep 15 1999

Status

approved