OFFSET
1,2
REFERENCES
C. Pickover, Wonders of Numbers, Oxford University Press, NY, 2001, pp. 158-160.
LINKS
C. A. Pickover, "Wonders of Numbers, Adventures in Mathematics, Mind and Meaning," Zentralblatt review
EXAMPLE
55 is square pyramorphic because it is the 5th square pyramidal number and ends in 5. 173880 is square pyramorphic because it is the 80th square pyramidal number and ends in 80.
CROSSREFS
KEYWORD
nonn
AUTHOR
Jason Earls, Mar 18 2001
STATUS
approved