A087048 - cp's OEIS frontend

A087048 Class numbers of indefinite quadratic forms over the integers in two variables with discriminant D = D(n) = A079896(n), n>=1.

n	a(n)
1	1
2	1
3	2
4	1
5	1
6	1
7	2
8	2
9	2
10	1
11	2
12	2
13	1
14	2
15	1
16	2
17	2
18	2
19	1
20	1
21	2
22	2
23	4
24	1
25	2
26	1
27	2
28	2
29	1
30	2
31	2
32	2
33	2
34	2
35	2
36	1
37	2
38	2
39	4
40	1
41	1
42	2
43	4
44	2
45	1
46	2
47	1
48	1
49	2
50	4
51	2
52	1
53	2
54	2
55	2
56	2
57	4
58	1
59	4
60	2
61	4
62	3
63	1
64	2
65	2
66	4
67	1
68	4
69	2
70	1
71	4
72	4
73	2
74	1
75	2
76	2
77	2
78	1
79	2
80	2
81	2
82	2
83	4
84	1
85	1
86	2
87	2
88	4
89	4
90	2
91	2
92	1
93	2
94	2
95	2
96	4
97	4
98	4
99	2
100	3
101	2
102	1
103	2
104	2
105	4

[1, 1, 2, 1, 1, 1, 2, 2, 2, 1, 2, 2, 1, 2, 1, 2, 2, 2, 1, 1, 2, 2, 4, 1, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 4, 1, 1, 2, 4, 2, 1, 2, 1, 1, 2, 4, 2, 1, 2, 2, 2, 2, 4, 1, 4, 2, 4, 3, 1, 2, 2, 4, 1, 4, 2, 1, 4, 4, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 4, 1, 1, 2, 2, 4, 4, 2, 2, 1, 2, 2, 2, 4, 4, 4, 2, 3, 2, 1, 2, 2, 4]

cp's OEIS Frontend

A087048 Class numbers of indefinite quadratic forms over the integers in two variables with discriminant D = D(n) = A079896(n), n>=1.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	1
6	1
7	2
8	2
9	2
10	1
11	2
12	2
13	1
14	2
15	1
16	2
17	2
18	2
19	1
20	1
21	2
22	2
23	4
24	1
25	2
26	1
27	2
28	2
29	1
30	2
31	2
32	2
33	2
34	2
35	2
36	1
37	2
38	2
39	4
40	1
41	1
42	2
43	4
44	2
45	1
46	2
47	1
48	1
49	2
50	4
51	2
52	1
53	2
54	2
55	2
56	2
57	4
58	1
59	4
60	2
61	4
62	3
63	1
64	2
65	2
66	4
67	1
68	4
69	2
70	1
71	4
72	4
73	2
74	1
75	2
76	2
77	2
78	1
79	2
80	2
81	2
82	2
83	4
84	1
85	1
86	2
87	2
88	4
89	4
90	2
91	2
92	1
93	2
94	2
95	2
96	4
97	4
98	4
99	2
100	3
101	2
102	1
103	2
104	2
105	4

n	a(n)
1	1
2	1
3	2
4	1
5	1
6	1
7	2
8	2
9	2
10	1
11	2
12	2
13	1
14	2
15	1
16	2
17	2
18	2
19	1
20	1
21	2
22	2
23	4
24	1
25	2
26	1
27	2
28	2
29	1
30	2
31	2
32	2
33	2
34	2
35	2
36	1
37	2
38	2
39	4
40	1
41	1
42	2
43	4
44	2
45	1
46	2
47	1
48	1
49	2
50	4
51	2
52	1
53	2
54	2
55	2
56	2
57	4
58	1
59	4
60	2
61	4
62	3
63	1
64	2
65	2
66	4
67	1
68	4
69	2
70	1
71	4
72	4
73	2
74	1
75	2
76	2
77	2
78	1
79	2
80	2
81	2
82	2
83	4
84	1
85	1
86	2
87	2
88	4
89	4
90	2
91	2
92	1
93	2
94	2
95	2
96	4
97	4
98	4
99	2
100	3
101	2
102	1
103	2
104	2
105	4

n	a(n)
1	1
2	1
3	2
4	1
5	1
6	1
7	2
8	2
9	2
10	1
11	2
12	2
13	1
14	2
15	1
16	2
17	2
18	2
19	1
20	1
21	2
22	2
23	4
24	1
25	2
26	1
27	2
28	2
29	1
30	2
31	2
32	2
33	2
34	2
35	2
36	1
37	2
38	2
39	4
40	1
41	1
42	2
43	4
44	2
45	1
46	2
47	1
48	1
49	2
50	4
51	2
52	1
53	2
54	2
55	2
56	2
57	4
58	1
59	4
60	2
61	4
62	3
63	1
64	2
65	2
66	4
67	1
68	4
69	2
70	1
71	4
72	4
73	2
74	1
75	2
76	2
77	2
78	1
79	2
80	2
81	2
82	2
83	4
84	1
85	1
86	2
87	2
88	4
89	4
90	2
91	2
92	1
93	2
94	2
95	2
96	4
97	4
98	4
99	2
100	3
101	2
102	1
103	2
104	2
105	4