OFFSET
2,1
REFERENCES
C. Pickover, Mazes for the Mind, St. Martin's Press, NY, 1992, p. 376.
C. Pickover, "Wonders of Numbers", Chapter 78, 'Creator Numbers', Oxford University Press, NY, 2001. pp. 187-189, 343-345.
LINKS
C. Pickover, "The Terrible Twos Problem", Chapter 73, 'Mazes for the Mind', St. Martin's Press, NY, 1992, p. 373-377. (Annotated scanned copy)
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jul 13 2015, following a suggestion from Robert G. Wilson v, Aug 25 1983
STATUS
approved