A224030 - cp's OEIS frontend

A224030 a(n) = |{0 and 2*n^3+k^3 are both prime}|.

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

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

cp's OEIS Frontend

A224030 a(n) = |{0 and 2*n^3+k^3 are both prime}|.

Table of values

List of values

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

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

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