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Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Select[Prime[Range], ! JacobiSymbol[78, #] == -1 &] (* Vincenzo Librandi, Sep 08 2012 *)
Sequence in context: A014580 A197227 A091206 * A167609 A117112 A145032
Adjacent sequences: A038960 A038961 A038962 * A038964 A038965 A038966
N. J. A. Sloane.