1,3

(Other) sage: [quadratic_residues(55)]# [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 24 2009]

Sequence in context: A001161 A099539 A110603 this_sequence A134921 A117870 A162698

Adjacent sequences: A010413 A010414 A010415 this_sequence A010417 A010418 A010419

nonn,fini,full

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