A003171 - cp's OEIS frontend

A003171 Negated discriminants of orders of imaginary quadratic fields with 1 class per genus (a finite sequence).

n	a(n)
1	3
2	4
3	7
4	8
5	11
6	12
7	15
8	16
9	19
10	20
11	24
12	27
13	28
14	32
15	35
16	36
17	40
18	43
19	48
20	51
21	52
22	60
23	64
24	67
25	72
26	75
27	84
28	88
29	91
30	96
31	99
32	100
33	112
34	115
35	120
36	123
37	132
38	147
39	148
40	160
41	163
42	168
43	180
44	187
45	192
46	195
47	228
48	232
49	235
50	240
51	267
52	280
53	288
54	312
55	315
56	340
57	352
58	372
59	403

[3, 4, 7, 8, 11, 12, 15, 16, 19, 20, 24, 27, 28, 32, 35, 36, 40, 43, 48, 51, 52, 60, 64, 67, 72, 75, 84, 88, 91, 96, 99, 100, 112, 115, 120, 123, 132, 147, 148, 160, 163, 168, 180, 187, 192, 195, 228, 232, 235, 240, 267, 280, 288, 312, 315, 340, 352, 372, 403]

cp's OEIS Frontend

A003171 Negated discriminants of orders of imaginary quadratic fields with 1 class per genus (a finite sequence).

Table of values

List of values

n	a(n)
1	3
2	4
3	7
4	8
5	11
6	12
7	15
8	16
9	19
10	20
11	24
12	27
13	28
14	32
15	35
16	36
17	40
18	43
19	48
20	51
21	52
22	60
23	64
24	67
25	72
26	75
27	84
28	88
29	91
30	96
31	99
32	100
33	112
34	115
35	120
36	123
37	132
38	147
39	148
40	160
41	163
42	168
43	180
44	187
45	192
46	195
47	228
48	232
49	235
50	240
51	267
52	280
53	288
54	312
55	315
56	340
57	352
58	372
59	403

n	a(n)
1	3
2	4
3	7
4	8
5	11
6	12
7	15
8	16
9	19
10	20
11	24
12	27
13	28
14	32
15	35
16	36
17	40
18	43
19	48
20	51
21	52
22	60
23	64
24	67
25	72
26	75
27	84
28	88
29	91
30	96
31	99
32	100
33	112
34	115
35	120
36	123
37	132
38	147
39	148
40	160
41	163
42	168
43	180
44	187
45	192
46	195
47	228
48	232
49	235
50	240
51	267
52	280
53	288
54	312
55	315
56	340
57	352
58	372
59	403

n	a(n)
1	3
2	4
3	7
4	8
5	11
6	12
7	15
8	16
9	19
10	20
11	24
12	27
13	28
14	32
15	35
16	36
17	40
18	43
19	48
20	51
21	52
22	60
23	64
24	67
25	72
26	75
27	84
28	88
29	91
30	96
31	99
32	100
33	112
34	115
35	120
36	123
37	132
38	147
39	148
40	160
41	163
42	168
43	180
44	187
45	192
46	195
47	228
48	232
49	235
50	240
51	267
52	280
53	288
54	312
55	315
56	340
57	352
58	372
59	403