A002339 - cp's OEIS frontend

A002339 Positive y such that p = (x^2 + 27y^2)/4 where p is the n-th prime of the form 6k+1.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	3
9	3
10	1
11	1
12	3
13	4
14	2
15	1
16	3
17	4
18	1
19	5
20	3
21	5
22	5
23	2
24	4
25	5
26	3
27	4
28	2
29	6
30	1
31	7
32	7
33	1
34	3
35	7
36	5
37	4
38	5
39	7
40	8
41	6
42	8
43	7
44	7
45	6
46	3
47	7
48	9
49	7
50	9
51	8
52	1
53	3
54	9
55	5
56	6
57	3
58	7
59	10
60	1
61	6
62	4
63	10
64	7
65	9
66	5
67	9
68	2
69	11
70	11
71	9
72	11
73	1
74	7
75	11
76	6
77	1
78	9
79	3
80	12
81	9
82	12
83	7
84	5
85	2
86	1
87	4
88	7
89	12
90	3
91	11
92	1
93	13
94	13
95	7
96	13
97	13
98	11
99	9
100	11
101	5
102	13
103	9
104	3
105	14
106	13
107	6
108	14
109	5
110	13
111	7
112	10
113	2
114	13
115	1
116	15
117	3
118	15

[1, 1, 1, 2, 1, 2, 3, 3, 3, 1, 1, 3, 4, 2, 1, 3, 4, 1, 5, 3, 5, 5, 2, 4, 5, 3, 4, 2, 6, 1, 7, 7, 1, 3, 7, 5, 4, 5, 7, 8, 6, 8, 7, 7, 6, 3, 7, 9, 7, 9, 8, 1, 3, 9, 5, 6, 3, 7, 10, 1, 6, 4, 10, 7, 9, 5, 9, 2, 11, 11, 9, 11, 1, 7, 11, 6, 1, 9, 3, 12, 9, 12, 7, 5, 2, 1, 4, 7, 12, 3, 11, 1, 13, 13, 7, 13, 13, 11, 9, 11, 5, 13, 9, 3, 14, 13, 6, 14, 5, 13, 7, 10, 2, 13, 1, 15, 3, 15]

cp's OEIS Frontend

A002339 Positive y such that p = (x^2 + 27y^2)/4 where p is the n-th prime of the form 6k+1.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	3
9	3
10	1
11	1
12	3
13	4
14	2
15	1
16	3
17	4
18	1
19	5
20	3
21	5
22	5
23	2
24	4
25	5
26	3
27	4
28	2
29	6
30	1
31	7
32	7
33	1
34	3
35	7
36	5
37	4
38	5
39	7
40	8
41	6
42	8
43	7
44	7
45	6
46	3
47	7
48	9
49	7
50	9
51	8
52	1
53	3
54	9
55	5
56	6
57	3
58	7
59	10
60	1
61	6
62	4
63	10
64	7
65	9
66	5
67	9
68	2
69	11
70	11
71	9
72	11
73	1
74	7
75	11
76	6
77	1
78	9
79	3
80	12
81	9
82	12
83	7
84	5
85	2
86	1
87	4
88	7
89	12
90	3
91	11
92	1
93	13
94	13
95	7
96	13
97	13
98	11
99	9
100	11
101	5
102	13
103	9
104	3
105	14
106	13
107	6
108	14
109	5
110	13
111	7
112	10
113	2
114	13
115	1
116	15
117	3
118	15

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	3
9	3
10	1
11	1
12	3
13	4
14	2
15	1
16	3
17	4
18	1
19	5
20	3
21	5
22	5
23	2
24	4
25	5
26	3
27	4
28	2
29	6
30	1
31	7
32	7
33	1
34	3
35	7
36	5
37	4
38	5
39	7
40	8
41	6
42	8
43	7
44	7
45	6
46	3
47	7
48	9
49	7
50	9
51	8
52	1
53	3
54	9
55	5
56	6
57	3
58	7
59	10
60	1
61	6
62	4
63	10
64	7
65	9
66	5
67	9
68	2
69	11
70	11
71	9
72	11
73	1
74	7
75	11
76	6
77	1
78	9
79	3
80	12
81	9
82	12
83	7
84	5
85	2
86	1
87	4
88	7
89	12
90	3
91	11
92	1
93	13
94	13
95	7
96	13
97	13
98	11
99	9
100	11
101	5
102	13
103	9
104	3
105	14
106	13
107	6
108	14
109	5
110	13
111	7
112	10
113	2
114	13
115	1
116	15
117	3
118	15

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	3
9	3
10	1
11	1
12	3
13	4
14	2
15	1
16	3
17	4
18	1
19	5
20	3
21	5
22	5
23	2
24	4
25	5
26	3
27	4
28	2
29	6
30	1
31	7
32	7
33	1
34	3
35	7
36	5
37	4
38	5
39	7
40	8
41	6
42	8
43	7
44	7
45	6
46	3
47	7
48	9
49	7
50	9
51	8
52	1
53	3
54	9
55	5
56	6
57	3
58	7
59	10
60	1
61	6
62	4
63	10
64	7
65	9
66	5
67	9
68	2
69	11
70	11
71	9
72	11
73	1
74	7
75	11
76	6
77	1
78	9
79	3
80	12
81	9
82	12
83	7
84	5
85	2
86	1
87	4
88	7
89	12
90	3
91	11
92	1
93	13
94	13
95	7
96	13
97	13
98	11
99	9
100	11
101	5
102	13
103	9
104	3
105	14
106	13
107	6
108	14
109	5
110	13
111	7
112	10
113	2
114	13
115	1
116	15
117	3
118	15