A051991 - cp's OEIS frontend

A051991 Discriminants of real quadratic fields of ERD-type with class groups of exponent 2 and discriminants of the form D = r^2*k^2+2k, k odd.

n	a(n)
1	34
2	51
3	66
4	87
5	102
6	119
7	123
8	138
9	146
10	194
11	215
12	231
13	258
14	287
15	318
16	330
17	390
18	402
19	410
20	435
21	447
22	455
23	482
24	527
25	570
26	615
27	623
28	627
29	635
30	678
31	770
32	782
33	798
34	843
35	890
36	902
37	1022
38	1095
39	1235
40	1298
41	1302
42	1515
43	1547
44	1610
45	1770
46	1938
47	1995

[34, 51, 66, 87, 102, 119, 123, 138, 146, 194, 215, 231, 258, 287, 318, 330, 390, 402, 410, 435, 447, 455, 482, 527, 570, 615, 623, 627, 635, 678, 770, 782, 798, 843, 890, 902, 1022, 1095, 1235, 1298, 1302, 1515, 1547, 1610, 1770, 1938, 1995]

cp's OEIS Frontend

A051991 Discriminants of real quadratic fields of ERD-type with class groups of exponent 2 and discriminants of the form D = r^2*k^2+2k, k odd.

Table of values

List of values