A232186 - cp's OEIS frontend

A232186 Number of ways to write n = p + q (q > 0) with p and p^3 + n*q^2 both prime.

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	1
7	1
8	2
9	3
10	1
11	1
12	1
13	2
14	2
15	3
16	2
17	2
18	5
19	1
20	1
21	3
22	1
23	5
24	4
25	2
26	3
27	3
28	1
29	2
30	3
31	2
32	4
33	6
34	2
35	3
36	5
37	2
38	3
39	3
40	3
41	2
42	3
43	4
44	2
45	4
46	3
47	2
48	2
49	3
50	2
51	6
52	2
53	3
54	3
55	5
56	4
57	4
58	4
59	5
60	9
61	1
62	4
63	7
64	3
65	4
66	6
67	3
68	5
69	8
70	3
71	5
72	6
73	5
74	5
75	13
76	2
77	4
78	5
79	4
80	4
81	7
82	5
83	5
84	13
85	3
86	5
87	8
88	6
89	4
90	6
91	4
92	3
93	8
94	3
95	4
96	9
97	1
98	4
99	11
100	3

[0, 0, 1, 1, 2, 1, 1, 2, 3, 1, 1, 1, 2, 2, 3, 2, 2, 5, 1, 1, 3, 1, 5, 4, 2, 3, 3, 1, 2, 3, 2, 4, 6, 2, 3, 5, 2, 3, 3, 3, 2, 3, 4, 2, 4, 3, 2, 2, 3, 2, 6, 2, 3, 3, 5, 4, 4, 4, 5, 9, 1, 4, 7, 3, 4, 6, 3, 5, 8, 3, 5, 6, 5, 5, 13, 2, 4, 5, 4, 4, 7, 5, 5, 13, 3, 5, 8, 6, 4, 6, 4, 3, 8, 3, 4, 9, 1, 4, 11, 3]

cp's OEIS Frontend

A232186 Number of ways to write n = p + q (q > 0) with p and p^3 + n*q^2 both prime.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	1
7	1
8	2
9	3
10	1
11	1
12	1
13	2
14	2
15	3
16	2
17	2
18	5
19	1
20	1
21	3
22	1
23	5
24	4
25	2
26	3
27	3
28	1
29	2
30	3
31	2
32	4
33	6
34	2
35	3
36	5
37	2
38	3
39	3
40	3
41	2
42	3
43	4
44	2
45	4
46	3
47	2
48	2
49	3
50	2
51	6
52	2
53	3
54	3
55	5
56	4
57	4
58	4
59	5
60	9
61	1
62	4
63	7
64	3
65	4
66	6
67	3
68	5
69	8
70	3
71	5
72	6
73	5
74	5
75	13
76	2
77	4
78	5
79	4
80	4
81	7
82	5
83	5
84	13
85	3
86	5
87	8
88	6
89	4
90	6
91	4
92	3
93	8
94	3
95	4
96	9
97	1
98	4
99	11
100	3

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	1
7	1
8	2
9	3
10	1
11	1
12	1
13	2
14	2
15	3
16	2
17	2
18	5
19	1
20	1
21	3
22	1
23	5
24	4
25	2
26	3
27	3
28	1
29	2
30	3
31	2
32	4
33	6
34	2
35	3
36	5
37	2
38	3
39	3
40	3
41	2
42	3
43	4
44	2
45	4
46	3
47	2
48	2
49	3
50	2
51	6
52	2
53	3
54	3
55	5
56	4
57	4
58	4
59	5
60	9
61	1
62	4
63	7
64	3
65	4
66	6
67	3
68	5
69	8
70	3
71	5
72	6
73	5
74	5
75	13
76	2
77	4
78	5
79	4
80	4
81	7
82	5
83	5
84	13
85	3
86	5
87	8
88	6
89	4
90	6
91	4
92	3
93	8
94	3
95	4
96	9
97	1
98	4
99	11
100	3

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	1
7	1
8	2
9	3
10	1
11	1
12	1
13	2
14	2
15	3
16	2
17	2
18	5
19	1
20	1
21	3
22	1
23	5
24	4
25	2
26	3
27	3
28	1
29	2
30	3
31	2
32	4
33	6
34	2
35	3
36	5
37	2
38	3
39	3
40	3
41	2
42	3
43	4
44	2
45	4
46	3
47	2
48	2
49	3
50	2
51	6
52	2
53	3
54	3
55	5
56	4
57	4
58	4
59	5
60	9
61	1
62	4
63	7
64	3
65	4
66	6
67	3
68	5
69	8
70	3
71	5
72	6
73	5
74	5
75	13
76	2
77	4
78	5
79	4
80	4
81	7
82	5
83	5
84	13
85	3
86	5
87	8
88	6
89	4
90	6
91	4
92	3
93	8
94	3
95	4
96	9
97	1
98	4
99	11
100	3