A051981 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 16.

310, 391, 415, 654, 655, 679, 955, 1038, 1146, 1166, 1267, 1282, 1346, 1391, 1578, 1662, 1739, 1833, 1858, 1895, 1902, 2183, 2195, 2198, 2407, 2526, 2553, 2615, 3227, 3278, 3374, 3497, 3565, 3611, 3755, 3818, 3918, 4043, 4069, 4087

Offset: 1

Author

N. J. A. Sloane, Jan 04 2000

Keywords

• nonn
• fini
• full

References

• R. A. Mollin, Quadratics, CRC Press, 1996, Appendix A, Table A3.

Links

• Georg Fischer, Table of n, a(n) for n = 1..130

Crossrefs

Cf. A051966-A051989.