A278700 - cp's OEIS frontend

A278700 Number of Goldbach partitions (p,q) of 2n such that all primes from p to q (inclusive) appear as a part in some Goldbach partition of p+q = 2n.

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

[0, 0, 1, 1, 2, 1, 1, 0, 2, 0, 1, 3, 1, 0, 3, 0, 1, 2, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 5, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 3, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 2, 0, 0, 1, 0, 0, 1, 2, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 0, 1]

cp's OEIS Frontend

A278700 Number of Goldbach partitions (p,q) of 2n such that all primes from p to q (inclusive) appear as a part in some Goldbach partition of p+q = 2n.

Table of values

List of values

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

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

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