1,3
Table of n, a(n) for n=1..32.
(Sage) [quadratic_residues(93)]# [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 28 2009]
Sequence in context: A010442 A055047 A153001 * A053169 A007656 A159619
Adjacent sequences: A010451 A010452 A010453 * A010455 A010456 A010457
nonn,fini,full
N. J. A. Sloane.
approved