A237367 - cp's OEIS frontend

A237367 Number of ordered ways to write n = k + m with k > 0 and m > 0 such that 2*k - 1, prime(k)^2 - 2 and prime(m)^2 - 2 are all prime.

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

[0, 0, 1, 2, 3, 3, 3, 3, 2, 3, 2, 4, 3, 5, 2, 6, 3, 6, 2, 4, 3, 4, 2, 4, 3, 4, 4, 4, 3, 8, 3, 4, 5, 6, 6, 5, 6, 5, 5, 3, 4, 7, 5, 6, 3, 7, 3, 3, 5, 4, 5, 6, 5, 8, 10, 4, 5, 11, 6, 3, 6, 5, 5, 5, 6, 5, 8, 4, 3, 5, 6, 5, 1, 7, 6, 3, 3, 5, 6, 4]

cp's OEIS Frontend

A237367 Number of ordered ways to write n = k + m with k > 0 and m > 0 such that 2*k - 1, prime(k)^2 - 2 and prime(m)^2 - 2 are all prime.

Table of values

List of values

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

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

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