A051992 - cp's OEIS frontend

A051992 Discriminants of real quadratic fields of ERD-type with class groups of exponent 2 and discriminants of the form D = r^2*k^2+4k, k odd.

n	a(n)
1	85
2	165
3	205
4	221
5	285
6	357
7	365
8	429
9	533
10	629
11	645
12	741
13	957
14	965
15	1085
16	1205
17	1245
18	1365
19	1469
20	1517
21	1533
22	1685
23	1853
24	1965
25	2013
26	2037
27	2045
28	2085
29	2373
30	2397
31	2405
32	2613
33	2805
34	2813
35	3005
36	3045
37	3237
38	3485
39	3885
40	3965
41	4245
42	4277

[85, 165, 205, 221, 285, 357, 365, 429, 533, 629, 645, 741, 957, 965, 1085, 1205, 1245, 1365, 1469, 1517, 1533, 1685, 1853, 1965, 2013, 2037, 2045, 2085, 2373, 2397, 2405, 2613, 2805, 2813, 3005, 3045, 3237, 3485, 3885, 3965, 4245, 4277]

cp's OEIS Frontend

A051992 Discriminants of real quadratic fields of ERD-type with class groups of exponent 2 and discriminants of the form D = r^2*k^2+4k, k odd.

Table of values

List of values