A317970 Positive n such that the ring of algebraic integers O_n in a quadratic number field has class number 1 but is not Euclidean with respect to the norm.

53, 56, 61, 69, 77, 88, 89, 92, 93

Offset: 1

Author

N. J. A. Sloane, Aug 29 2018

Keywords

• nonn
• more

Comments

The usual symbol in number theory is O_d, not O_n.

Links

• Erich Kaltofen and Heinrich Rolletschek, Computing greatest common divisors and factorizations in quadratic number fields, Mathematics of Computation 53.188 (1989): 697-720. See page 698.

Crossrefs

Cf. A014602.