A050733 Numbers of form 3^k (values of k see A050724) containing no pair of consecutive equal digits (probably finite).

1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683, 59049, 1594323, 4782969, 14348907, 43046721, 129140163, 387420489, 10460353203, 31381059609, 282429536481, 2541865828329, 109418989131512359209, 30903154382632612361920641803529

Offset

0,2

Links

Table of n, a(n) for n=0..22.

Crossrefs

Cf. A043096, A050724.

Sequence in context: A000244 A133494 A352779 * A238939 A351345 A351344

Adjacent sequences: A050730 A050731 A050732 * A050734 A050735 A050736

Keyword

nonn,base

Author

Patrick De Geest, Sep 15 1999

Status

approved