1,3

(Other) sage: [quadratic_residues(50)]# [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 24 2009]

Sequence in context: A122183 A133578 A010387 this_sequence A047209 A138812 A003259

Adjacent sequences: A010408 A010409 A010410 this_sequence A010412 A010413 A010414

nonn,fini,full

N. J. A. Sloane (njas(AT)research.att.com).