A002345 - cp's OEIS frontend

A002345 Numbers y such that p = x^2 + 7y^2, with prime p = A033207(n).

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

[1, 1, 1, 2, 2, 1, 2, 3, 1, 3, 1, 2, 4, 3, 4, 2, 1, 3, 5, 5, 4, 2, 5, 4, 5, 1, 6, 4, 2, 1, 4, 7, 7, 6, 7, 2, 4, 6, 5, 7, 8, 8, 3, 7, 1, 5, 6, 3, 2, 8, 9, 7, 6, 8, 9, 4, 2, 5, 8, 1, 10, 10, 3, 7, 5, 2, 8, 10, 9, 7]

cp's OEIS Frontend

A002345 Numbers y such that p = x^2 + 7y^2, with prime p = A033207(n).

Table of values

List of values

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

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

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