0,1

D. Cox, "Primes of Form x^2 + n y^2", Wiley, 1989, p. 260.

Cf. A014602.

Sequence in context: A050122 A003657 A003644 this_sequence A107819 A050032 A014602

Adjacent sequences: A033192 A033193 A033194 this_sequence A033196 A033197 A033198

nonn,fini,full,nice

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