A006371 - cp's OEIS frontend

A006371 Number of positive definite reduced binary quadratic forms of discriminant -A014601(n).

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	1
10	2
11	3
12	2
13	2
14	2
15	3
16	3
17	2
18	3
19	4
20	2
21	1
22	4
23	5
24	4
25	2
26	2
27	4
28	4
29	3
30	4
31	5
32	4
33	1
34	4
35	7
36	3
37	3
38	4
39	5
40	6
41	3
42	4
43	6
44	2
45	2
46	6
47	8
48	6
49	3
50	3
51	5
52	6
53	3
54	6
55	8
56	4
57	2
58	6
59	10
60	4
61	2
62	6
63	5
64	7
65	5
66	4
67	8
68	4
69	3
70	8
71	10
72	8
73	3
74	2
75	7
76	6
77	4
78	8
79	10
80	6
81	1
82	8

[1, 1, 1, 1, 1, 2, 2, 2, 1, 2, 3, 2, 2, 2, 3, 3, 2, 3, 4, 2, 1, 4, 5, 4, 2, 2, 4, 4, 3, 4, 5, 4, 1, 4, 7, 3, 3, 4, 5, 6, 3, 4, 6, 2, 2, 6, 8, 6, 3, 3, 5, 6, 3, 6, 8, 4, 2, 6, 10, 4, 2, 6, 5, 7, 5, 4, 8, 4, 3, 8, 10, 8, 3, 2, 7, 6, 4, 8, 10, 6, 1, 8]

cp's OEIS Frontend

A006371 Number of positive definite reduced binary quadratic forms of discriminant -A014601(n).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	1
10	2
11	3
12	2
13	2
14	2
15	3
16	3
17	2
18	3
19	4
20	2
21	1
22	4
23	5
24	4
25	2
26	2
27	4
28	4
29	3
30	4
31	5
32	4
33	1
34	4
35	7
36	3
37	3
38	4
39	5
40	6
41	3
42	4
43	6
44	2
45	2
46	6
47	8
48	6
49	3
50	3
51	5
52	6
53	3
54	6
55	8
56	4
57	2
58	6
59	10
60	4
61	2
62	6
63	5
64	7
65	5
66	4
67	8
68	4
69	3
70	8
71	10
72	8
73	3
74	2
75	7
76	6
77	4
78	8
79	10
80	6
81	1
82	8

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	1
10	2
11	3
12	2
13	2
14	2
15	3
16	3
17	2
18	3
19	4
20	2
21	1
22	4
23	5
24	4
25	2
26	2
27	4
28	4
29	3
30	4
31	5
32	4
33	1
34	4
35	7
36	3
37	3
38	4
39	5
40	6
41	3
42	4
43	6
44	2
45	2
46	6
47	8
48	6
49	3
50	3
51	5
52	6
53	3
54	6
55	8
56	4
57	2
58	6
59	10
60	4
61	2
62	6
63	5
64	7
65	5
66	4
67	8
68	4
69	3
70	8
71	10
72	8
73	3
74	2
75	7
76	6
77	4
78	8
79	10
80	6
81	1
82	8

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	1
10	2
11	3
12	2
13	2
14	2
15	3
16	3
17	2
18	3
19	4
20	2
21	1
22	4
23	5
24	4
25	2
26	2
27	4
28	4
29	3
30	4
31	5
32	4
33	1
34	4
35	7
36	3
37	3
38	4
39	5
40	6
41	3
42	4
43	6
44	2
45	2
46	6
47	8
48	6
49	3
50	3
51	5
52	6
53	3
54	6
55	8
56	4
57	2
58	6
59	10
60	4
61	2
62	6
63	5
64	7
65	5
66	4
67	8
68	4
69	3
70	8
71	10
72	8
73	3
74	2
75	7
76	6
77	4
78	8
79	10
80	6
81	1
82	8