Largest square dividing n.
1, 1, 1, 4, 1, 1, 1, 4, 9, 1, 1, 4, 1, 1, 1, 16, 1, 9, 1, 4, 1, 1, 1, 4, 25, 1, 9, 4, 1, 1, 1, 16, 1
1 seqfan posts
Sat Aug 28 20:31:02 CEST 2010 [seqfan] Solvability of equation x^3+y^3+z^3=0 in integers of real and imaginary quadratic fields