0,1
D. Cox, "Primes of Form x^2 + n y^2", Wiley, 1989, p. 260.
Cf. A014602.
Sequence in context: A003644 A196923 A192051 * A050032 A014602 A078823
Adjacent sequences: A033192 A033193 A033194 * A033196 A033197 A033198
nonn,fini,full,nice
N. J. A. Sloane (njas(AT)research.att.com).