1,3

(Other) sage: [quadratic_residues(27)]# [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 24 2009]

Sequence in context: A045752 A010380 A056991 this_sequence A010415 A010442 A055047

Adjacent sequences: A010386 A010387 A010388 this_sequence A010390 A010391 A010392

nonn,fini,full

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