OFFSET
0,2
COMMENTS
Diagonal of A223541. - Tilman Piesk, Apr 05 2013
REFERENCES
E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982, see p. 444.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved