A052475 - OEIS

A052475

Discriminants of real quadratic number fields with class number 2 such that Hilbert class field has splitting field Q(sqrt(5)).

40, 60, 65, 85, 105, 120, 140, 165, 185, 205, 220, 265, 280, 285, 305, 345, 365, 380, 385, 440, 460, 465, 485, 545, 565, 620, 645, 665, 685, 705, 745, 760, 805, 860, 865, 885, 920, 965, 1005, 1065, 1085, 1165, 1180, 1185, 1205, 1240, 1245, 1265, 1285

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OFFSET

1,1

REFERENCES

H. Cohen, Advanced Topics in Computational Number Theory, Springer, 2000, pp. 534-535.

LINKS

Table of n, a(n) for n=1..49.

Henri Cohen and X.-F. Roblot, Computing the Hilbert Class Field of Real Quadratic Fields, Math. Comp. 69 (2000), 1229-1244.

CROSSREFS

Cf. A035120, A003656, A052476, A052477, A052478, A052479.

Sequence in context: A344408 A035120 A094619 * A182205 A195571 A060672

Adjacent sequences: A052472 A052473 A052474 * A052476 A052477 A052478