OFFSET
1,2
COMMENTS
This is the product x*y of the smallest positive solution (x,y) to x^2 - 2*y^2 = -+d, where d=A058529(n).
REFERENCES
Mohammad K. Azarian, Circumradius and Inradius, Problem S125, Math Horizons, Vol. 15, Issue 4, April 2008, p. 32. Solution published in Vol. 16, Issue 2, November 2008, p. 32.
CROSSREFS
KEYWORD
nonn
AUTHOR
Lekraj Beedassy, May 04 2004
EXTENSIONS
Corrected and extended by Ray Chandler, Jun 20 2004
STATUS
approved