OFFSET
1,2
REFERENCES
Mark Manasse et al., The Panex puzzle, in Tribute to a Mathemagician, Peters, 2005, pp. 145-161.
LINKS
N. Baxter, Panex Puzzle Resources.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Apr 11 2006
STATUS
approved