A261249 - cp's OEIS frontend

A261249 Number of classes of proper solutions of the Pell equation x^2 - D(n) y^2 = +4 for D(n) = A079896(n), n >= 1.

n	a(n)
1	2
2	0
3	1
4	2
5	0
6	0
7	2
8	0
9	1
10	2
11	1
12	0
13	0
14	0
15	0
16	1
17	2
18	0
19	0
20	2
21	0
22	0
23	1
24	2
25	0
26	0
27	2
28	0
29	0
30	1
31	2
32	0
33	0
34	2
35	0
36	0
37	1
38	2
39	1
40	0
41	0
42	0
43	0
44	1
45	2
46	0
47	0
48	0
49	2
50	0
51	1
52	2
53	1
54	0
55	0
56	2
57	0
58	0
59	1
60	0
61	0
62	0

[2, 0, 1, 2, 0, 0, 2, 0, 1, 2, 1, 0, 0, 0, 0, 1, 2, 0, 0, 2, 0, 0, 1, 2, 0, 0, 2, 0, 0, 1, 2, 0, 0, 2, 0, 0, 1, 2, 1, 0, 0, 0, 0, 1, 2, 0, 0, 0, 2, 0, 1, 2, 1, 0, 0, 2, 0, 0, 1, 0, 0, 0]

cp's OEIS Frontend

A261249 Number of classes of proper solutions of the Pell equation x^2 - D(n) y^2 = +4 for D(n) = A079896(n), n >= 1.

Table of values

List of values

n	a(n)
1	2
2	0
3	1
4	2
5	0
6	0
7	2
8	0
9	1
10	2
11	1
12	0
13	0
14	0
15	0
16	1
17	2
18	0
19	0
20	2
21	0
22	0
23	1
24	2
25	0
26	0
27	2
28	0
29	0
30	1
31	2
32	0
33	0
34	2
35	0
36	0
37	1
38	2
39	1
40	0
41	0
42	0
43	0
44	1
45	2
46	0
47	0
48	0
49	2
50	0
51	1
52	2
53	1
54	0
55	0
56	2
57	0
58	0
59	1
60	0
61	0
62	0

n	a(n)
1	2
2	0
3	1
4	2
5	0
6	0
7	2
8	0
9	1
10	2
11	1
12	0
13	0
14	0
15	0
16	1
17	2
18	0
19	0
20	2
21	0
22	0
23	1
24	2
25	0
26	0
27	2
28	0
29	0
30	1
31	2
32	0
33	0
34	2
35	0
36	0
37	1
38	2
39	1
40	0
41	0
42	0
43	0
44	1
45	2
46	0
47	0
48	0
49	2
50	0
51	1
52	2
53	1
54	0
55	0
56	2
57	0
58	0
59	1
60	0
61	0
62	0

n	a(n)
1	2
2	0
3	1
4	2
5	0
6	0
7	2
8	0
9	1
10	2
11	1
12	0
13	0
14	0
15	0
16	1
17	2
18	0
19	0
20	2
21	0
22	0
23	1
24	2
25	0
26	0
27	2
28	0
29	0
30	1
31	2
32	0
33	0
34	2
35	0
36	0
37	1
38	2
39	1
40	0
41	0
42	0
43	0
44	1
45	2
46	0
47	0
48	0
49	2
50	0
51	1
52	2
53	1
54	0
55	0
56	2
57	0
58	0
59	1
60	0
61	0
62	0