A046927 - cp's OEIS frontend

A046927 Number of ways to express 2n+1 as p+2q where p and q are primes.

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

[0, 0, 0, 1, 2, 2, 2, 2, 4, 2, 3, 3, 3, 4, 4, 2, 5, 3, 4, 4, 5, 4, 6, 4, 4, 7, 5, 3, 7, 3, 3, 7, 7, 5, 7, 4, 4, 8, 7, 5, 8, 4, 7, 8, 7, 4, 11, 5, 6, 9, 6, 5, 12, 6, 6, 10, 8, 6, 11, 7, 5, 11, 8, 6, 10, 6, 6, 13, 8, 5, 13, 6, 9, 12, 8, 6, 14, 8, 6, 11, 10, 9, 16, 5, 8, 13, 9, 9, 14, 7, 6, 14]

cp's OEIS Frontend

A046927 Number of ways to express 2n+1 as p+2q where p and q are primes.

Table of values

List of values

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

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

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