OFFSET
1,4
COMMENTS
For n>1, sequence is periodic with period 48. - Eric M. Schmidt, Jan 28 2017
REFERENCES
E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982; see Chapter 4.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane and Sue Pope, May 29 2002
EXTENSIONS
Edited and extended by Eric M. Schmidt, Jan 28 2017
STATUS
approved