A060649 - cp's OEIS frontend

A060649 Smallest number k==3 (mod 4) such that Q(sqrt(-k)) has class number n, or 0 if no such k exists.

n	a(n)
1	3
2	15
3	23
4	39
5	47
6	87
7	71
8	95
9	199
10	119
11	167
12	231
13	191
14	215
15	239
16	399
17	383
18	335
19	311
20	455
21	431
22	591
23	647
24	695
25	479
26	551
27	983
28	831
29	887
30	671
31	719
32	791
33	839
34	1079
35	1031
36	959
37	1487
38	1199
39	1439
40	1271
41	1151
42	1959
43	1847
44	1391
45	1319
46	2615
47	3023
48	1751
49	1511
50	1799

[3, 15, 23, 39, 47, 87, 71, 95, 199, 119, 167, 231, 191, 215, 239, 399, 383, 335, 311, 455, 431, 591, 647, 695, 479, 551, 983, 831, 887, 671, 719, 791, 839, 1079, 1031, 959, 1487, 1199, 1439, 1271, 1151, 1959, 1847, 1391, 1319, 2615, 3023, 1751, 1511, 1799]

cp's OEIS Frontend

A060649 Smallest number k==3 (mod 4) such that Q(sqrt(-k)) has class number n, or 0 if no such k exists.

Table of values

List of values