A082175 - cp's OEIS frontend

A082175 Number of reduced indefinite quadratic forms over the integers in two variables with discriminants D(n)=A079896(n).

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

[2, 2, 4, 2, 6, 4, 4, 4, 8, 2, 6, 8, 6, 8, 10, 4, 6, 8, 12, 2, 8, 12, 8, 6, 12, 8, 8, 6, 18, 12, 4, 8, 16, 8, 12, 14, 8, 4, 16, 18, 6, 8, 20, 8, 14, 16, 14, 12, 6, 12, 16, 4, 14, 20, 16, 8, 20, 14, 8, 8, 28, 20, 10, 4, 22, 16, 10, 20, 20, 16, 12, 8, 20, 2, 20, 24, 20, 10, 24, 16, 8, 12]

cp's OEIS Frontend

A082175 Number of reduced indefinite quadratic forms over the integers in two variables with discriminants D(n)=A079896(n).

Table of values

List of values

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

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

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