1,3

(Other) sage: [quadratic_residues(54)]# [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 24 2009]

Sequence in context: A010380 A056991 A010389 this_sequence A010442 A055047 A153001

Adjacent sequences: A010412 A010413 A010414 this_sequence A010416 A010417 A010418

nonn,fini,full

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