OFFSET
0,6
COMMENTS
Periodic with period-length 22: repeat {0, 0, 1, 1, 0, 2, 1, 3, 2, 2, 0, 3, 1, 0, 0, 1, 1, 2, 2, 3, 3, 2}.
REFERENCES
R. K. Guy, Fair Game: How to play impartial combinatorial games, COMAP's Mathematical Exploration Series, 1989; see p. 38.
MATHEMATICA
PadRight[{}, 120, {0, 0, 1, 1, 0, 2, 1, 3, 2, 2, 0, 3, 1, 0, 0, 1, 1, 2, 2, 3, 3, 2}] (* Vincenzo Librandi, Jan 11 2016 *)
PROG
(Magma) &cat[[0, 0, 1, 1, 0, 2, 1, 3, 2, 2, 0, 3, 1, 0, 0, 1, 1, 2, 2, 3, 3, 2]^^5]; // Vincenzo Librandi, Jan 11 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jan 03 2016
STATUS
approved