OFFSET
1,1
COMMENTS
Also positive cubes not in A179163.
Mordell curve y^2=x^3-n always has at least one integral solution if n is a cube, say n=k^3, (x,y)=(k,0). If there are additional solutions, they will exist in pairs - (x,y) and (x,-y). Thus the number of solutions can be odd iff n is a cube.
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Jul 13 2010
EXTENSIONS
Edited and extended by Ray Chandler, Jul 14 2010
STATUS
approved