A081319 - cp's OEIS frontend

A081319 Smallest squarefree integer k such that Q(sqrt(-k)) has class number n, or 0 if no such k exists.

n	a(n)
1	1
2	5
3	23
4	14
5	47
6	26
7	71
8	41
9	199
10	74
11	167
12	89
13	191
14	101
15	239
16	146
17	383
18	293
19	311
20	194
21	431
22	269
23	647
24	329
25	479
26	314
27	983
28	341
29	887
30	461
31	719
32	446
33	839
34	614
35	1031
36	626
37	1487
38	1199
39	1439
40	689
41	1151
42	794
43	1847
44	854
45	1319
46	941
47	3023
48	1106
49	1511
50	1109
51	1559

[1, 5, 23, 14, 47, 26, 71, 41, 199, 74, 167, 89, 191, 101, 239, 146, 383, 293, 311, 194, 431, 269, 647, 329, 479, 314, 983, 341, 887, 461, 719, 446, 839, 614, 1031, 626, 1487, 1199, 1439, 689, 1151, 794, 1847, 854, 1319, 941, 3023, 1106, 1511, 1109, 1559]

cp's OEIS Frontend

A081319 Smallest squarefree integer k such that Q(sqrt(-k)) has class number n, or 0 if no such k exists.

Table of values

List of values