Periodicity in Sequences Mod 3

[Jeremy Gardiner]

The collection of puzzles at www.mathcad.com may be of interest.

In particular, puzzle #46 entitled Periodicity in Sequences Mod 3 gives a
sequence that does not seem to be in the OEIS:

http://www.mathcad.com/library/LibraryContent/puzzles/puzzle.asp?num=46

I would like to wish all seq fans a Happy New Year and a prosperous 2006!

Jeremy Gardiner